DE1933666U - Funksprechgeraet. - Google Patents

Funksprechgeraet.

Info

Publication number
DE1933666U
DE1933666U DEM50472U DEM0050472U DE1933666U DE 1933666 U DE1933666 U DE 1933666U DE M50472 U DEM50472 U DE M50472U DE M0050472 U DEM0050472 U DE M0050472U DE 1933666 U DE1933666 U DE 1933666U
Authority
DE
Germany
Prior art keywords
housing
battery
connections
loudspeaker
compartment
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
DEM50472U
Other languages
German (de)
English (en)
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
Priority claimed from US337347A external-priority patent/US3345568A/en
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of DE1933666U publication Critical patent/DE1933666U/de
Expired legal-status Critical Current

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)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Transmitters (AREA)
  • Casings For Electric Apparatus (AREA)
  • Transceivers (AREA)
  • Telephone Set Structure (AREA)
DEM50472U 1964-01-13 1965-01-13 Funksprechgeraet. Expired DE1933666U (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US337347A US3345568A (en) 1964-01-13 1964-01-13 Transistorized portable radio transmitter-receiver structure
US337348A US3306990A (en) 1964-01-13 1964-01-13 Microphone and speaker structure for miniature receiver and transmitter

Publications (1)

Publication Number Publication Date
DE1933666U true DE1933666U (de) 1966-03-03

Family

ID=26990650

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM50472U Expired DE1933666U (de) 1964-01-13 1965-01-13 Funksprechgeraet.

Country Status (7)

Country Link
US (1) US3306990A (US06521211-20030218-C00004.png)
BE (1) BE657879A (US06521211-20030218-C00004.png)
DE (1) DE1933666U (US06521211-20030218-C00004.png)
FR (1) FR1419470A (US06521211-20030218-C00004.png)
GB (1) GB1045320A (US06521211-20030218-C00004.png)
LU (1) LU47715A1 (US06521211-20030218-C00004.png)
NL (1) NL148760B (US06521211-20030218-C00004.png)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
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 (US06521211-20030218-C00004.png) * 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
US9807481B2 (en) * 2014-09-24 2017-10-31 James Thomas O'Keeffe Smart speaker with multifunctional faceplate and local environment sensing
US10755871B2 (en) * 2014-09-24 2020-08-25 James Thomas O'Keeffe Smart speaker with interactive 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
BE657879A (US06521211-20030218-C00004.png) 1965-04-30
LU47715A1 (US06521211-20030218-C00004.png) 1965-03-04
GB1045320A (en) 1966-10-12
NL6500282A (US06521211-20030218-C00004.png) 1965-07-14
NL148760B (nl) 1976-02-16
FR1419470A (fr) 1965-11-26
US3306990A (en) 1967-02-28

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