NL148760B - Draagbaar radioapparaat. - Google Patents
Draagbaar radioapparaat.Info
- Publication number
- NL148760B NL148760B NL656500282A NL6500282A NL148760B NL 148760 B NL148760 B NL 148760B NL 656500282 A NL656500282 A NL 656500282A NL 6500282 A NL6500282 A NL 6500282A NL 148760 B NL148760 B NL 148760B
- Authority
- NL
- Netherlands
- Prior art keywords
- radio device
- portable radio
- portable
- radio
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/023—Screens for loudspeakers
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transmitters (AREA)
- Casings For Electric Apparatus (AREA)
- Transceivers (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US337348A US3306990A (en) | 1964-01-13 | 1964-01-13 | Microphone and speaker structure for miniature receiver and transmitter |
US337347A US3345568A (en) | 1964-01-13 | 1964-01-13 | Transistorized portable radio transmitter-receiver structure |
Publications (2)
Publication Number | Publication Date |
---|---|
NL6500282A NL6500282A (nl) | 1965-07-14 |
NL148760B true NL148760B (nl) | 1976-02-16 |
Family
ID=26990650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL656500282A NL148760B (nl) | 1964-01-13 | 1965-01-11 | Draagbaar radioapparaat. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3306990A (nl) |
BE (1) | BE657879A (nl) |
DE (1) | DE1933666U (nl) |
FR (1) | FR1419470A (nl) |
GB (1) | GB1045320A (nl) |
LU (1) | LU47715A1 (nl) |
NL (1) | NL148760B (nl) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3763434A (en) * | 1972-03-02 | 1973-10-02 | Motorola Inc | Battery connecting structure for portable device |
JPS5330897Y2 (nl) * | 1974-05-13 | 1978-08-02 | ||
US4032844A (en) * | 1974-12-28 | 1977-06-28 | General Research Of Electronics, Inc. | Combination microphone, speaker, and control unit for a radio transceiver |
US3938618A (en) * | 1975-03-18 | 1976-02-17 | Motorola, Inc. | Speaker grille screen and mounting structure |
CH642504A5 (en) * | 1981-06-01 | 1984-04-13 | Asulab Sa | Hybrid electroacoustic transducer |
US4550429A (en) * | 1983-06-03 | 1985-10-29 | Motorola, Inc. | Shock absorbing transducer module |
US4682363A (en) * | 1985-05-23 | 1987-07-21 | Jerry Goldfarb | Amphibious personal audio system |
FR2748627B1 (fr) * | 1996-05-07 | 1998-08-07 | Peugeot | Grille de haut-parleur formant cache et vehicule automobile equipe de cette grille |
US5721787A (en) * | 1997-01-13 | 1998-02-24 | Motorola, Inc. | Speaker porting for a communication device |
US8213660B2 (en) * | 2006-04-07 | 2012-07-03 | Research In Motion Limited | Shielded microphone for mobile communications device |
US10755871B2 (en) | 2014-09-24 | 2020-08-25 | James Thomas O'Keeffe | Smart speaker with interactive speaker grille |
US9807481B2 (en) * | 2014-09-24 | 2017-10-31 | James Thomas O'Keeffe | Smart speaker with multifunctional faceplate and local environment sensing |
US12027338B2 (en) | 2014-09-24 | 2024-07-02 | James Thomas O'Keeffe | Smart speaker with sensing through the speaker grille |
US10779067B2 (en) * | 2018-12-20 | 2020-09-15 | Motorola Solutions, Inc. | Systems for reducing wind-induced noise and water infiltration in communication devices |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1196562A (en) * | 1915-04-09 | 1916-08-29 | Herbert E Lynch | Telephone instrument. |
US1201060A (en) * | 1916-05-18 | 1916-10-10 | Internat Callophone Corp | Sound transmitting and reproducing unit. |
US1460034A (en) * | 1921-08-24 | 1923-06-26 | Telephone Mfg Co Ltd | Telephone transmitter |
US1772198A (en) * | 1921-07-13 | 1930-08-05 | Andersson Ringhald Per Alfred | Telephone |
US2485405A (en) * | 1944-04-21 | 1949-10-18 | Stromberg Carlson Co | Dipole microphone |
FR1273401A (fr) * | 1960-08-26 | 1961-10-13 | Charbonnages De France | Appareil de radiophonie portatif à transistors |
-
1964
- 1964-01-13 US US337348A patent/US3306990A/en not_active Expired - Lifetime
- 1964-12-31 GB GB53010/64A patent/GB1045320A/en not_active Expired
-
1965
- 1965-01-04 BE BE657879D patent/BE657879A/xx unknown
- 1965-01-04 LU LU47715A patent/LU47715A1/xx unknown
- 1965-01-05 FR FR817A patent/FR1419470A/fr not_active Expired
- 1965-01-11 NL NL656500282A patent/NL148760B/nl unknown
- 1965-01-13 DE DEM50472U patent/DE1933666U/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3306990A (en) | 1967-02-28 |
LU47715A1 (nl) | 1965-03-04 |
BE657879A (nl) | 1965-04-30 |
FR1419470A (fr) | 1965-11-26 |
GB1045320A (en) | 1966-10-12 |
DE1933666U (de) | 1966-03-03 |
NL6500282A (nl) | 1965-07-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: MOTOROLA |