JPS4881411A - - Google Patents
Info
- Publication number
- JPS4881411A JPS4881411A JP48004592A JP459273A JPS4881411A JP S4881411 A JPS4881411 A JP S4881411A JP 48004592 A JP48004592 A JP 48004592A JP 459273 A JP459273 A JP 459273A JP S4881411 A JPS4881411 A JP S4881411A
- Authority
- JP
- Japan
- 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.)
- Pending
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)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Transceivers (AREA)
- Structure Of Receivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21667472A | 1972-01-10 | 1972-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4881411A true JPS4881411A (de) | 1973-10-31 |
Family
ID=22808038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48004592A Pending JPS4881411A (de) | 1972-01-10 | 1973-01-06 |
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)
| 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)
| 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/es active
-
1973
- 1973-01-05 DE DE19737300350U patent/DE7300350U/de not_active Expired
- 1973-01-05 DE DE2300502A patent/DE2300502C3/de not_active Expired
- 1973-01-06 JP JP48004592A patent/JPS4881411A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA970285A (en) | 1975-07-01 |
| 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 |
| DE2300502C3 (de) | 1976-01-08 |