CA970285A - Portable radio with integral acoustical horn - Google Patents

Portable radio with integral acoustical horn

Info

Publication number
CA970285A
CA970285A CA158,560A CA158560A CA970285A CA 970285 A CA970285 A CA 970285A CA 158560 A CA158560 A CA 158560A CA 970285 A CA970285 A CA 970285A
Authority
CA
Canada
Prior art keywords
portable radio
acoustical horn
integral
integral acoustical
horn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA158,560A
Other languages
English (en)
Other versions
CA158560S (fr
Inventor
Donald Y. Ing
Todd G. Andersen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of CA970285A publication Critical patent/CA970285A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/08—Constructional details, e.g. cabinet
    • H04B1/086—Portable receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Structure Of Receivers (AREA)
  • Transceivers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CA158,560A 1972-01-10 1972-12-11 Portable radio with integral acoustical horn Expired CA970285A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21667472A 1972-01-10 1972-01-10

Publications (1)

Publication Number Publication Date
CA970285A true CA970285A (en) 1975-07-01

Family

ID=22808038

Family Applications (1)

Application Number Title Priority Date Filing Date
CA158,560A Expired CA970285A (en) 1972-01-10 1972-12-11 Portable radio with integral acoustical horn

Country Status (6)

Country Link
US (1) US3748583A (de)
JP (1) JPS4881411A (de)
AR (1) AR193005A1 (de)
CA (1) CA970285A (de)
DE (2) DE7300350U (de)
GB (1) GB1369162A (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341011U (de) * 1976-09-14 1978-04-10
DE2647439C2 (de) * 1976-10-21 1982-10-21 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Schallsignalgeber, insbesondere für Kraftfahrzeuge
US4089044A (en) * 1977-03-15 1978-05-09 Motorola, Inc. Housing assembly for miniaturized battery operated electrical apparatus
DE8222955U1 (de) * 1982-08-14 1983-01-13 Standard Elektrik Lorenz Ag, 7000 Stuttgart Elektrisches Gerät mit einem Gehäuse und einem die Gehäusewand durchsetzenden Schiebeschalter
GB2134734B (en) * 1983-01-18 1986-02-26 Nec Corp Housing assembly for portable radio apparatus
US4525872A (en) * 1983-06-27 1985-06-25 Zochowski John S Amplifier
US4775083A (en) * 1987-02-02 1988-10-04 Motorola, Inc. Portable radio carrying case
JP2567148B2 (ja) * 1990-11-20 1996-12-25 日本電気株式会社 無線選択呼出受信機
DE4228632C1 (de) * 1992-08-28 1993-07-29 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Hollaend. Stiftung & Co Kg, 8510 Fuerth, De
GB9604140D0 (en) * 1996-02-27 1996-05-01 Spanswick Keith A Radiation measuring apparatus
US5832079A (en) * 1996-05-03 1998-11-03 Ericsson Inc. Acoustic horn for use in cellular flip phones
US5890072A (en) * 1996-11-07 1999-03-30 Ericsson, Inc. Radiotelephone having a non-resonant wave guide acoustically coupled to a microphone
US5963640A (en) * 1996-11-07 1999-10-05 Ericsson, Inc. Radiotelephone having an acoustical wave guide coupled to a speaker
DE19841061A1 (de) * 1998-09-09 2000-03-16 Bosch Gmbh Robert Akustik bei tragbaren Telefonen
WO2000027096A1 (en) * 1998-11-04 2000-05-11 Koninklijke Philips Electronics N.V. Mobile telephone with a loudspeaker
US7733659B2 (en) * 2006-08-18 2010-06-08 Delphi Technologies, Inc. Lightweight audio system for automotive applications and method
US8483420B2 (en) * 2010-12-07 2013-07-09 Samsung Electronics Co., Ltd. Docking station having structure for sound amplification and sound quality enhancement
WO2014043282A1 (en) 2012-09-11 2014-03-20 Freshman Matthew Amplifying cover for a portable audio device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1532811A (en) * 1924-08-29 1925-04-07 Graham Edward Alfred Cabinet for use with sound-reproducing devices
US3249873A (en) * 1963-05-22 1966-05-03 Gen Motors Corp Miniaturized helmet exponential horn speaker for a portable radio receiver
US3693089A (en) * 1971-05-20 1972-09-19 Motorola Inc Housing assembly for miniature radio apparatus with self contained battery

Also Published As

Publication number Publication date
DE7300350U (de) 1973-05-03
US3748583A (en) 1973-07-24
DE2300502B2 (de) 1975-05-28
GB1369162A (en) 1974-10-02
AR193005A1 (es) 1973-03-21
AU5059372A (en) 1973-09-20
DE2300502A1 (de) 1973-07-26
JPS4881411A (de) 1973-10-31
DE2300502C3 (de) 1976-01-08

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