CA970285A - Portable radio with integral acoustical horn - Google Patents
Portable radio with integral acoustical hornInfo
- 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
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
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 (en) |
JP (1) | JPS4881411A (en) |
AR (1) | AR193005A1 (en) |
CA (1) | CA970285A (en) |
DE (2) | DE2300502C3 (en) |
GB (1) | GB1369162A (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5341011U (en) * | 1976-09-14 | 1978-04-10 | ||
DE2647439C2 (en) * | 1976-10-21 | 1982-10-21 | Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt | Sound signal generators, in particular for motor vehicles |
US4089044A (en) * | 1977-03-15 | 1978-05-09 | Motorola, Inc. | Housing assembly for miniaturized battery operated electrical apparatus |
DE3230282A1 (en) * | 1982-08-14 | 1984-02-16 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Electrical apparatus having a housing and a slide switch passing through the housing wall |
CA1233883A (en) * | 1983-01-18 | 1988-03-08 | Nec Corporation | Housing assembly for portable radio apparatus with one-piece base-plate and battery container |
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 (en) * | 1990-11-20 | 1996-12-25 | 日本電気株式会社 | Wireless selective call receiver |
DE4228632C1 (en) * | 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 (en) * | 1998-09-09 | 2000-03-16 | Bosch Gmbh Robert | Acoustics on portable phones |
JP2002529967A (en) * | 1998-11-04 | 2002-09-10 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Mobile telephone with 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 |
US9232030B2 (en) | 2012-09-11 | 2016-01-05 | Matthew Freshman | Amplifying cover for a portable audio device |
Family Cites Families (3)
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 |
-
1972
- 1972-01-10 US US00216674A patent/US3748583A/en not_active Expired - Lifetime
- 1972-12-11 CA CA158,560A patent/CA970285A/en not_active Expired
- 1972-12-19 GB GB5853172A patent/GB1369162A/en not_active Expired
- 1972-12-27 AR AR245878A patent/AR193005A1/en active
-
1973
- 1973-01-05 DE DE2300502A patent/DE2300502C3/en not_active Expired
- 1973-01-05 DE DE19737300350U patent/DE7300350U/en not_active Expired
- 1973-01-06 JP JP48004592A patent/JPS4881411A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2300502C3 (en) | 1976-01-08 |
AU5059372A (en) | 1973-09-20 |
GB1369162A (en) | 1974-10-02 |
DE7300350U (en) | 1973-05-03 |
US3748583A (en) | 1973-07-24 |
JPS4881411A (en) | 1973-10-31 |
DE2300502B2 (en) | 1975-05-28 |
AR193005A1 (en) | 1973-03-21 |
DE2300502A1 (en) | 1973-07-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA994731A (en) | Pivotal battery mount | |
CA1018939A (en) | Mobile suitcase | |
CA970285A (en) | Portable radio with integral acoustical horn | |
AU471954B2 (en) | Portable case | |
CA986844A (en) | Vibrationless speaker assembly | |
CA991552A (en) | Dictaphone | |
CA964068A (en) | Double insulated portable sander | |
AU4794572A (en) | Portable cartop luggage case | |
CA987540A (en) | Portable pump | |
CA979037A (en) | Vibrating self-distributor | |
CA964892A (en) | Mobile welding unit | |
AU5413873A (en) | Antenna arrangements | |
CA978809A (en) | Coated plastic foam scrap | |
CA985776A (en) | Microphone mounting | |
AU4124272A (en) | Portable shelter | |
AU491294B1 (en) | Loudspeaker arrangement | |
CA995349A (en) | Carbon microphone | |
CA973505A (en) | Portable still | |
AU473050B2 (en) | Portable still | |
CA950327A (en) | Portable saw | |
CA912419A (en) | Portable saw | |
CA892888A (en) | Portable refrigerator-freezer | |
CA915673A (en) | Portable mixer | |
CA897577A (en) | Acoustical structure | |
AU5936273A (en) | Portable barbeque |