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Established in January 2002.

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AGC - Automatic Gain Control Unique to SML Mounts to main speaker mic PCB. Custom tunable via software inputs. Automatically adjusts the microphone sensitivity and ... – PowerPoint PPT presentation

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Title: Established in January 2002.


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Stone Mountain, Ltd. Introduction
  • Established in January 2002.
  • Business model is to provide high quality,
    extremely rugged and reliable speaker microphones
    to the land mobile radio (LMR) market, focusing
    on Public Safety, Emergency Response, Military
    and Industrial applications.
  • We offer two speaker microphone platforms (Sword
    and Juno), a PTT platform (Utah) and several
    audio accessories (Omaha Series). All major OEM
    radio platforms are supported.
  • See www.stonemountainltd.com for more details.

3
Product Lines
Juno Speaker Microphone
  • Juno speaker microphone series.
  • Sword speaker microphone series.
  • Utah chest PTT series.
  • Omaha audio accessory series.

4
Sword Speaker Microphone
  • Designed for Law Enforcement, Military, Fire
    Fighting, Utility, and Industrial users.
  • 50 mm. Mylar speaker.
  • Supports a full line of 2.5 mm., 3.5 mm. and six
    pin Hirose connector accessories.
  • Immersion rated to two meters for 60 minutes.
  • 24 month warranty.

5
Sword ProBand Antenna Series
  • Antenna incorporates Printed Circuit Flex Film
    Technology (PCFFT) .
  • Antenna is included with speaker mic.
  • Micro miniature custom coax cable and connectors.
  • Full six foot extended coil cable.
  • Supports a full line of 2.5 mm., 3.5 mm. and six
    pin Hirose connector accessories.
  • Supports 700 800MHz. frequency.
  • Immersion rated to two meters for 60 minutes.
  • 24 month warranty.

6
Sword TruBand Antenna Series
  • Micro miniature custom coax cable and connectors.
  • Full six foot extended coil cable.
  • Supports a full line of 2.5 mm., 3.5 mm. and six
    pin Hirose connector accessories.
  • Supports VHF, UHF, 700, 800, and 900MHz.
    frequencies.
  • Antenna is purchased separately from speaker Mic.
  • Immersion rated to two meters for 60 minutes.
  • 24 month warranty.

7
Sword TruBand Antenna Series
  • VHF 136MHz - 144MHz
  • VHF 145MHz - 148MHz
  • VHF 150MHz - 162MHz
  • VHF 155MHz - 164MHz
  • VHF 164MHz - 174MHz
  • UHF 400MHz - 449MHz
  • UHF 450MHz - 469MHz
  • UHF 470MHz - 512MHz
  • 800MHz - 866MHz
  • 900 902MHz - 960MHz

8
Speaker Microphone Design Ideology
  • Z-Axis design for manufacturability and ease of
    repair.
  • Modular design to facilitate upgrading.
  • Interchangeable components to minimize inventory.
  • No soldered connections - All gold plated custom
    connectors and pressure contacts for reliability
    in harsh environments.
  • Integrally molded buttons for environmental
    sealing.
  • Two shot revolving platen overmolding provides
    comfortable rubber user interface.

9
Engineered Materials
  • Substrate is a custom engineered PC/ABS blend
    thermoplastic polymer.
  • Overmold is a thermoplastic elastomer alloy
    designed especially for bonding to the substrate
    PC/ABS polymer.
  • Molded concurrently in a two shot revolving
    platen overmolding process for optimum quality
    and part integrity.
  • Allows emergency button, push to talk (PTT) and
    volume control interface buttons to be integrally
    molded to the case, resulting in unprecedented
    sealing capability.

10
Form Factor
  • Intuitive button locations.
  • Ergonomic form factor.
  • Comfortable rubber interface.
  • Roman arch design allows extreme compression
    loading in any direction.
  • Attractive design.
  • Form follows Function.

11
Receive Audio System
  • Conventional forward acoustic speaker porting.
  • Additional dual radial acoustic speaker porting -
    Allows speaker mic to be worn in any orientation
    without degradation to acoustic performance.
  • Speaker cavity self draining feature.
  • No speaker cloth to trap dust/debris-Clean
    speaker cavity by flushing with tap water.
  • Superb acoustic performance and clarity
    throughout the entire life of the product.

12
Microphone Porting - Sword
  • AllClear microphone porting system.
  • Protected 3.5mm. microphone opening.
  • Sculpted, polished intake geometry removes
    surface tension Minimizes trapped water and
    debris.
  • Enhances mic sensitivity.
  • Self clearing capability.
  • Integrally protective hood directs falling water
    away from mic opening.
  • Maintains clear transmit audio even when covered
    with water.

13
Microphone Porting - Juno
  • AllClear microphone porting system.
  • Oversize 3.5mm. microphone opening.
  • Sculpted, polished intake geometry removes
    surface tension Minimizes trapped water and
    debris.
  • Enhances mic sensitivity.
  • Self clearing capability.
  • Integrally molded ribs in protective hood directs
    falling water away from mic opening.
  • Maintains clear transmit audio even when covered
    with water.

14
Integrally Molded Buttons
  • PTT
  • Large contact area.
  • Positive tactile response.
  • Intuitive location.
  • Volume Control
  • Discrete high and low buttons.
  • Programmable on certain radio models.
  • Emergency
  • Recessed design coupled with custom 200 gm. and
    320 gm. contact force switches to eliminate false
    emergencies.

15
Belt Clip
Belt Clip w/o screws - SMX25155 Belt Clip w/
screws SMX26755
  • Large, rugged design.
  • PC/ABS custom engineered polymer.
  • High quality stainless steel components for
    reliability and corrosion resistance.
  • 360 rotation with positive detents at every 45.
  • High closure force.
  • 180 degree lip for positive retention.
  • Accommodates any tactical gear, turn out coat,
    etc.
  • Easy to replace and repair.

16
Custom O-Ring Seal Screws
Seal Screw Assembly, K22xK6 SMX19086
  • Custom designed and tooled.
  • Discrete low durometer silicon o-ring seal.
  • Recessed screw head for mating o-ring means no
    compression set - Maintains a reliable seal over
    the life of the product.
  • Nickel plated to protect against corrosion in
    harsh environments.
  • Standard Torx drive throughout for positive,
    repeatable engagement torque during installation.
  • Reusable.

Seal Screw Assembly, K22xK14 SMX19024
17
Speaker Installation
  • High quality Mylar speaker.
  • Heavy duty magnet and construction.
  • Miniature connector interface.
  • Attached to front cover with custom designed and
    tooled pressure sensitive adhesive (PSA)
    component.
  • Hermetically sealed via robotically dispensed
    engineering adhesive compound.

18
Dynamic Transfer Bars
Sword PTT Transfer Bar SMX19056
  • Overmolded dynamic transfer bars for emergency
    and PTT buttons.
  • Ensures positive actuation over entire button
    user interface surface.
  • Maintains tactile response throughout product
    life.
  • Custom ball and socket mating interface - Ease
    of assembly and repair.

Emergency Transfer Bar SMX19007
19
Custom Snap Dome Switches
320 gm SMX19013 Used for Volume Control
200 gm SMX19506 Used for Emergency Button
  • Custom designed and tooled.
  • 100 gold plated.
  • Side actuating snap domes in 200 gm. and 320 gm.
    contact force.
  • Pogo pin printed circuited board (PCB)
    interface-No soldering/no wires.
  • Allows Z-axis assembly.
  • Facilitates repair.
  • Custom ball and socket mating interface - Ease
    of assembly and repair.
  • Extensively tested in house and verified to one
    million actuations minimum.

Front Cover Assembly SMX19931
20
Transmit Audio System
Microphone Assembly SMX19688
  • Four component custom designed and tooled
    proprietary microphone acoustic gasket assembly.
  • Custom designed and tooled silicon rubber
    acoustic boot.
  • High sensitivity omni directional microphone.
  • Miniature connector interface for ease of
    assembly and repair - No soldering.
  • Custom designed and tooled silicon rubber sound
    port.
  • Superb transmit audio and clarity.

Sword Sound Port SMX19058
Microphone Boot SMX19687
Microphone Gasket SMX19770
21
Rear Cover Assembly
  • PC/ABS custom engineered polymer.
  • Compression molded, custom designed and tooled
    low durometer silicon rubber environmental seal.
  • Low compression set speaker support component.
  • Labyrinth design venting system with waterproof
    gaskets.
  • 100 of all seal interface surfaces are highly
    polished for reliable environmental sealing.
  • Discrete sub assembly supports Z-axis assembly -
    Ease of repair.

Rear Cover Assembly SMX19061
22
Main PCB Assembly
  • Self aligning via integrally molded mating
    geometry in the front cover.
  • 100 surface mount technology (SMT) components.
  • 100 gold plated for optimum conductivity,
    performance and reliability in harsh
    environments.
  • No hand soldering - Easy to repair.
  • All Main PCBs will accommodate every SML
    cable/accessory option with existing SMT
    connectors - Easy to upgrade.
  • Clean, efficient design.

23
Cable Attachment Accessories
  • Supports system accessory option upgrade.
  • Aircraft aluminum grade cable clamps, includes
    holes for easy release and repair.
  • Integrally overmolded waterproof accessory
    interfaces in the cable.
  • Options include 2.5 mm, 3.5 mm. and 6 pin Hirose.
  • Miniature connectors throughout - No soldering.

24
Cable Strain Relief, Sealing Performance
  • Custom designed, machined high strength brass
    ferrules, crimped to the cable.
  • 50K cycle endurance rating.
  • Overmolded with custom engineered thermoplastic
    polyurethane (TPU).
  • Designed using finite element analysis (FEA) for
    optimized strength to weight ratio.
  • Integrally molded o-ring seal interfaces with
    high quality silicon rubber o-ring seals.
  • Integrally molded locking geometry prevents
    rotation of cable and subsequent damage to the
    electrical connections.
  • 200 Newton minimum rated pull strength.

25
Radio Connector (RC) Design
  • All RCs are either custom tooled by SML or
    sourced from quality OEM RC suppliers.
  • Most SML tooled RCs are fastened together using
    seal screws - No snap fits.
  • All SML tooled RCs include miniature connectors
    - No soldered wires.
  • Most SML tooled RCs include multiple molded
    silicon components for redundant environmental
    sealing.
  • Custom three layer PSA includes silicon and
    acrylic adhesive components.
  • All seal surfaces 100 polished.

26
Radio Connector (RC) PCB
  • All RC PCBs are either custom tooled by SML or
    sourced from quality OEM RC suppliers.
  • All SML tooled PCBs are 100 surface mount
    technology (SMT).
  • All SML tooled PCBs are 100 gold plated for
    optimum reliability in harsh environments.
  • All SML tooled PCBs are fully connectorized for
    ease of assembly and repair.
  • High strength, gold plated pogo pins for long,
    reliable life.

27
ProBand Antenna Technology
  • Printed Circuit Flex Film Technology (PCFFT)
    allows miniaturization of the physical antenna
    envelope.
  • High RF performance.
  • Bendable and durable.
  • Will not corrode or rust.
  • Waterproof.
  • Low profile.
  • Light weight.
  • Supports 800MHz., with 700MHz and 900MHz. pending.

28
ProBand Assembly
  • Custom engineered thermoplastic elastomer alloy
    overmolded antenna assembly.
  • High quality, low durometer discrete silicon
    o-ring sealing component.
  • Antenna included with speaker microphone - No
    need to dismantle radio antenna.
  • No soldered connections for ease of repair and
    high reliability.
  • Micro miniature, low loss coax connectors and
    cable allow full six foot extended coil cord.

Plated Rear Cover SMX19875
29
TruBand Assembly
  • Replaceable injection molded 1/4 wave helical
    antenna.
  • High quality, low durometer discrete silicon
    o-ring sealing component.
  • No soldered connections for ease of repair and
    high reliability.
  • Replaceable gold plated surface mount RF PCB.
  • Micro miniature, low loss coax connectors and
    cable allow full six foot extended coil cord.
  • VHF, UHF, 800MHz. and 900MHz. antennas.

Plated TruBand Rear Cover Assembly SMX25072
30
RF Plating
  • Cutting edge vacuum metallization plating process
    using copper and nickel materials.
  • High conductivity.
  • Excellent shielding.
  • Will not rust, corrode or degrade in corrosive
    environments.
  • Highest quality.

Sword Plated Front Cover SMX19933
31
  • Six foot fully extended cable assembly.
  • 100 fully connectorized signal and coax
    interface to speaker mic head and all SML tooled
    radio connectors - No soldered connections.
  • Integrally overmolded, environmentally sealed
    accessory interfaces in the cable.
  • Options include plain, 2.5 mm., 3.5 mm. and six
    pin Hirose.
  • Rugged 5.5mm. diameter OD cable Industrys
    largest.
  • Absolute highest quality, most rugged cable
    assembly available.

32
  • ProGain - User adjustable microphone gain system.
  • AGC - Automatic Gain Control feature.
  • Stainless steel knurled thumb screw.
  • Interface to various OEM headsets, SCBAs, etc.
  • Standard or half length cables (most models).

33
  • Allows the user to custom attenuate the speaker
    mic Tx audio microphone gain.
  • Easy to access, sealed adjustable gain
    potentiometer.
  • Maintains system environmental seal/immersion
    rating.
  • Adjust microphone gain from maximum to minimum
    transmit power Allowing close quarter
    communications by eliminating feedback.
  • Simply remove the belt clip via four T6 Torx
    fasteners - Adjust mic gain with a small screw
    driver.
  • Available on both Sword and Juno.

34
  • Unique to SML
  • Mounts to main speaker mic PCB.
  • Custom tunable via software inputs.
  • Automatically adjusts the microphone sensitivity
    and provides a consistent level of receive audio
  • Useful If the user is whispering, shouting, or if
    background noise such as wind or industrial noise
    is present.
  • Increases performance and addresses interface
    problems typical with accessories such as
    headsets and SCBA communication systems.
  • Available on Sword.

35
  • Microphone Element Omni directional
  • Microphone Sensitivity -40 dBV (0dB1V/Pa)
  • Speaker Diameter 2.0 (50 mm)
  • Speaker Output Power ½ to 1 W (dependent on
    radio brand/model)
  • Speaker Output Level (SPL) 93 to 100 dB SPL
    (dependent on radio brand/model)
  • Operating Voltage Range 5.0 to 9.0 VDC
    (microphone)
  • Female Accessory Jacks 3.5 mm 2.5 mm for
    remote Rx audio or 6 pin Hirose HR10A 7R 6S
    Locking Quick Disconnect for remote
    Tx/Microphone, Rx/Earphone and PTT
    functions
  • Frequency Response 300 3000 Hz
  • Distortion 4 (speaker)
  • Dimensions 3? L x 2? W x 1 H (84.8 mm x
    66.0 mm x 26.8 mm)
  • Weight 7.5 oz (212 gm)
  • Operating Temperature -30C to 60C
  • Storage Temperature -57C to 80C
  • Volume Control Up () and Down (-) buttons for
    adjustable volume control
  • Rotating Clothing Clip 360with positive
    detents at every 45
  • Cable Assembly Flex Life 50,000 cycles

36
  • Cable Assembly Pull Strength1 45 lbs. (200N)
    tensile strength, in line with speaker mic
  • Cable Assembly Pull Strength2 45 lbs. (200N)
    tensile strength, perpendicular to speaker mic
  • Immersion Rating3 One (1) meters for thirty
    (30) minutes
  • Mil-Std 810C, D, E F Specs Designed to meet
    or exceed
  • Low Pressure 500.4/I II Yes
  • High Temp 501.4/I II Yes
  • Low Temp 502.4/I II Yes
  • Blowing Rain 506.4/I3 Yes
  • Leakage 512.4/I3 Yes
  • Humidity 507.4/II Yes
  • Salt Fog 509.4/I Yes
  • Blowing Dust 510.4/I Yes
  • Vibration 514.4/I/CAT 1 104 Yes
  • Shock 516.5/I IV Yes
  • Temp Shock 503.4/I Yes
  • Solar Radiation 505.4/II Yes

Footnotes 1 Straight pull strength, at speaker
microphone end 2 Right angle pull strength, at
speaker microphone end 3 Speaker mic only,
excludes radio device connector 4 Curve W
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