Audiopack Sound Systems 360

© Brooke Clarke 2019




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Background
Description
Photos
Patents
Related
References
Links

Background


Description

The main unit is designed to be worn in a horizontal position at the small of the back.  That leaves the front of the body free to carry an instrument in a marching band.

The wall-wart for changing the internal battery (Fig 4)  has a 120/230 VAC switch so can be used worldwide.  The output is 26.8 VDC center positive on a5.5 x 2.3mm power plug.

The battery is missing.  When powered the battery terminals show 10.8 VDC (red positive).


Photos


Fig 1
Audiopack
                      Sound Systems 360

Fig 2
Audiopack
                      Sound Systems 360

Fig 3
Audiopack
                      Sound Systems 360
Fig 4 Accessories
Audiopack
                      Sound Systems 360


Patents

3629522 Headpiece loudspeaker, Paul E Richards, Promar International, 1971-12-21, -

4237341 Portable self-contained amplifier and loudspeaker apparatus, Paul E Richards, Audiopack Tech, 1980-12-02 - uses three speakers, designed to be carried by a marching band member.

Patent Citations (9)

Publication numbe  rPriority  date  Publication date  Assignee  Title
US2541042A *1947-02-19  1951-02-13  Farnsworth Res Corp  Portable transmitter-receiver apparatus
US2571514A *1947-03-17  1951-10-16  Edward F Andrews  Portable electroacoustical apparatus
US2676207A *1953-05-22  1954-04-20  Donovan D Hunt  Portable public address system - single speaker
US3268030A *1965-04-13  1966-08-23  Finn H Magnus  Acoustic system
US3385393A *1967-09-15  1968-05-28  Pacific Internat Plastics  Headrest and speaker apparatus
US3475066A *1965-08-30  1969-10-28  Ivan L Billingsley  Speaker cabinet
US4020284A *1975-10-22  1977-04-26  Shaymar, Inc.  Speaker system
DE2621516A1 *1976-05-14  1977-12-01  Otto Gutweniger  Portable speech reproduction machine with natural sound - has all vowels and consonants recorded on magnetic sound tracks
US4084139A *1977-04-25  1978-04-11Jakobe Eugene J  Shoulder supported stereophonic radio receiver

D223580 Omni-directional loudspeaker enclosure, Paul E Richards, May 9, 1972, -

Cites:
D209899
D215662 Hat Mounted Loudspeaker, Paul E. Richards, OCt 21, 1969, -
3144092 Sound System, Michael J London, Deasey William, Aug 11, 1964, - Four speakers each 90 degrees apart and all four rotate.
3194339 Loudspeaker system, Robert J Pawlowski, Electro Voice Inc, 1965-07-13, - many parallel speakers on a concave wall.
3385393 Headrest and speaker apparatus, Donald A Gold, Pacific International Plastics, 1968-05-28, - cylindrical headrest with a speaker at each end.
3512605 Stereo speaker headrest for an automobile seat, David D McCorkle, 1970-05-19 -

Related

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Bell System 500 Dial Phone - basis for the REN Ring Equivalence Number that's on the label of all modern phones
Bell system 2500 Touch Tone phone -
Beltone 12D Audiometer
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H161 H-161E/U Headset used in Crew Served Vehicles (2 connectors)
H-207A/VRC Handset
H250 H-250/U Handset with Noise Canceling mike & VCEB (Volume Control Ear Bud version)
H251 H-251A/U Headset (earphones)
H33 H-33F/PT Handset
H350 H-350/U Handset
Harris RF-5980-SA001 Amplified Speaker
Harris TS1000 ADSL Test Set -
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Home Theater - 7.1 Surround Sound - Voice Of The Theater Speakers (very efficient)
HP204 HP 204B Audio Oscillator from HP 3350 Carrier Test Set (AN/USM-181 Telephone Test Set
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HP415E HP 415E SWR Meter - 1 kHz tuned voltmeter
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HP 4261A LCR Meter
HP427A HP 427A Voltmeter AC & DC Volts & Ohms
HP4274_4275_LCR lHP 4274A & HP 4275A LCR Meters
HP4332 HP 4332 LCR Meter
HP 4395A HP 4395A Combination Network, Spectrum, Impedance Analyzer includes audio frequencies
HP33120 15 MHz Function/Arbitrary Waveform Generator
HS2B4 Plantronics Supra  -01NC 992C Headset
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HYX-65-1 Wire-line Adapter Local Unit & KY-65
KS-8455L2 Kick Test Set Line Loop Tester Telephone Installers & Repairman's Meter
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LS-147 Intercom
LS454 LS-454/U Loudspeaker
LS-685/U Crystal Loudspeaker
LS-688 PM Loudspeaker
M1024 Magnacord 1024 Reel to Reel Tape Recorder
M153 M-153/U Microphone, Voice Silencer
M80 M-80/U Handset (Microphone)
MAA Military Audio Accessories - tables with thumbnail photos & links to more info.
MATEL 2C800 Field Phone by Racal Acoustics Ltd.
MK-356/G Wire Splicing Kit
MRC67 MRC-67A Amplifier-Speaker
Music
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Noisecom 7110-FAC Programmable Noise Generator
NSLB Model NS-LB Noise Generator
Panasonic KX-TA824 Telephone System
PatchP Audio Patch Panel
Racal MATEL 2C800 Field Phone
RS 38-A Carbon Microphone
RT1185 RT-1185/GRA-114 Sound Observer Receiver Transmitter
SB-22A Analog  Switchboard
SB-4170 Digital Switchboard
SB-3614A(V)/TT Telephone Switchboard
SG-886A/UR Interference (Noise & Tone) Generator
SidekickTandN Tempo Sidekick T&N Telephone Line Tester
Sound Powered Telephones and early Loudspeakers.
Spying on Cell (Mobil) Phones
Subscriber Loop Analyzers
TA-1 Sound Powered Telephone Set
TA-1042  Digital Non-Secure Voice Terminal (DNVT)
TA-312/PT Telephone Set  (Field Phone)
TA-341/TT
TA-838/TT Telephone Set
Teledyne Avionics TA-3D Acoustic Impedance Meter - ear canal impedance
Telegraph Telegraph Equipment, Stock Ticker, District Telegraph, Teletype, Keys, Relays, Sounders, Veedre Counter, Early Connectors, Electro-magnets
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Telephone Patents & photos
Telephone Tool Kit
Telephone Poles - Utility, Power, Cable TV Poles
Tempo Sidekick T&N Line Tester
TF2700 Marconi TF-2700 Universal Bridge
TG-5-B Telegraph Set
Thales Speaker Mike
Tone & Probe station wire testing
TS-2839/GY German H-33 Audio Test Set
TS-3647/G, Control Orderwire Unit (COU), Telephone Test Set
TS585 TS-585 Audio Level Meter
TSD-3600 Telephone Security Device
TSEC/KY-68 Digital Subscriber Voice Terminal
U229AA U-229 Audio Accessories
U229PO U-229 Pin Out by Function
U229Y "Y" Cable,  U-229/U
UIQ10 UIQ-10 Public Address Set
VIC VIC Vehicle Inter Communication & VRC-12 Series Radios
Voice Over Internet Protocol (VOIP) Phone Service
Western Electric 202 Dial phone- consists of a phone and a "sub set" that's mounted on the wall.
WE 500 Dial Phone -
Western Electric 2554 Wall Touch Tone Telephone
WTFME1 Funkanpaßgerät WT-FM-E1 AP01 Telefunken Military wire to radio interface
Xtal1800 Crystal Radio 1800? & Brooke Clarke #1 & horn speaker
ZM-4B/U Resistance Bridge
Zo Transmission Line Zo vs. Frequency - down to audio

References


Links

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Page Created 2020 Feburary 26