GB1249068A - Headphone type fm stereo receiver - Google Patents

Headphone type fm stereo receiver

Info

Publication number
GB1249068A
GB1249068A GB03976/69A GB1397669A GB1249068A GB 1249068 A GB1249068 A GB 1249068A GB 03976/69 A GB03976/69 A GB 03976/69A GB 1397669 A GB1397669 A GB 1397669A GB 1249068 A GB1249068 A GB 1249068A
Authority
GB
United Kingdom
Prior art keywords
receiver
march
april
circuit
tuning
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
GB03976/69A
Other languages
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 JP1968022066U external-priority patent/JPS4610576Y1/ja
Priority claimed from JP1968023195U external-priority patent/JPS4610577Y1/ja
Priority claimed from JP1968024926U external-priority patent/JPS4610578Y1/ja
Priority claimed from JP1968025625U external-priority patent/JPS4610580Y1/ja
Priority claimed from JP1968028955U external-priority patent/JPS471051Y1/ja
Priority claimed from JP2895468U external-priority patent/JPS5133211Y1/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1249068A publication Critical patent/GB1249068A/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
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators or arrangements for charging
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Headphones And Earphones (AREA)
  • Structure Of Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
GB03976/69A 1968-03-19 1969-03-17 Headphone type fm stereo receiver Expired GB1249068A (en)

Applications Claiming Priority (17)

Application Number Priority Date Filing Date Title
JP1968022066U JPS4610576Y1 (enExample) 1968-03-19 1968-03-19
JP2319468 1968-03-22
JP1968023195U JPS4610577Y1 (enExample) 1968-03-22 1968-03-22
JP2492868 1968-03-27
JP2492768 1968-03-27
JP1968024926U JPS4610578Y1 (enExample) 1968-03-27 1968-03-27
JP1968025625U JPS4610580Y1 (enExample) 1968-03-29 1968-03-29
JP2562868 1968-03-29
JP2562668 1968-03-29
JP2562468 1968-03-29
JP2562768 1968-03-29
JP2788568 1968-04-04
JP1968028955U JPS471051Y1 (enExample) 1968-04-08 1968-04-08
JP2895668 1968-04-08
JP2895468U JPS5133211Y1 (enExample) 1968-04-08 1968-04-08
JP2511468 1968-04-12
JP2671968 1968-04-18

Publications (1)

Publication Number Publication Date
GB1249068A true GB1249068A (en) 1971-10-06

Family

ID=27585917

Family Applications (1)

Application Number Title Priority Date Filing Date
GB03976/69A Expired GB1249068A (en) 1968-03-19 1969-03-17 Headphone type fm stereo receiver

Country Status (6)

Country Link
US (1) US3906160A (enExample)
AU (1) AU450805B2 (enExample)
DE (1) DE1913453A1 (enExample)
FR (1) FR2006116A1 (enExample)
GB (1) GB1249068A (enExample)
NL (1) NL6904166A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2355617A (en) * 1999-10-20 2001-04-25 Central Research Lab Ltd Headphones with interchangeable, integral source of audio signal
GB2585129A (en) * 2019-04-04 2020-12-30 Tymphany Acoustic Tech Huizhou Co Ltd Headphone assembly and headphone controlling method

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2813000C2 (de) * 1977-03-24 1982-04-08 Andreas Milano Pavel Elektroakustische Anlage für die hochwertige Wiedergabe von Hörereignissen
FR2479616A1 (fr) * 1980-03-28 1981-10-02 Marinier Denis Appareil recepteur a modulation de frequence
WO1984001479A1 (en) * 1982-10-04 1984-04-12 Stuart David Saunders Signal reproduction apparatus
US4845751A (en) * 1988-03-16 1989-07-04 Schwab Brian H Wireless stereo headphone
AU7659491A (en) * 1990-03-30 1991-10-30 Thomas M. Lott Assistive listening device
US5272757A (en) * 1990-09-12 1993-12-21 Sonics Associates, Inc. Multi-dimensional reproduction system
US5410746A (en) * 1991-03-13 1995-04-25 Unatech Corp. Combined headgear and electronic receiving device
ES2093083T3 (es) * 1991-12-31 1996-12-16 Sonics Associates Inc Sistema de reproduccion de sonido multidimensional.
EP0653144B1 (en) * 1992-07-30 1998-12-02 Clair Bros. Audio Enterprises, Inc. Concert audio system
GB2275846B (en) * 1993-02-03 1996-05-22 Sony Corp Headphones
US5357585A (en) * 1993-07-09 1994-10-18 Khyber Technologies Corporation Headphone assembly
US5734964A (en) * 1993-10-01 1998-03-31 Chaparral Communications Mass programmable FM stereo sound equalized assistive listening apparatus
US5438626A (en) * 1993-11-24 1995-08-01 Neuman; Bernard Collapsible hearing device
US5661812A (en) * 1994-03-08 1997-08-26 Sonics Associates, Inc. Head mounted surround sound system
US5841879A (en) * 1996-11-21 1998-11-24 Sonics Associates, Inc. Virtually positioned head mounted surround sound system
US5459790A (en) * 1994-03-08 1995-10-17 Sonics Associates, Ltd. Personal sound system with virtually positioned lateral speakers
US6144747A (en) * 1997-04-02 2000-11-07 Sonics Associates, Inc. Head mounted surround sound system
US5604813A (en) * 1994-05-02 1997-02-18 Noise Cancellation Technologies, Inc. Industrial headset
US5506911A (en) * 1994-06-13 1996-04-09 Neuman; Bernard Radio and infrared receiving collapsible hearing device
US6002777A (en) * 1995-07-21 1999-12-14 Stethtech Corporation Electronic stethoscope
JP3045051B2 (ja) * 1995-08-17 2000-05-22 ソニー株式会社 ヘッドホン装置
US5771441A (en) * 1996-04-10 1998-06-23 Altstatt; John E. Small, battery operated RF transmitter for portable audio devices for use with headphones with RF receiver
US6208740B1 (en) 1997-02-28 2001-03-27 Karl Grever Stereophonic magnetic induction sound system
US6754361B1 (en) * 1997-04-17 2004-06-22 3M Innovative Properties Company Ergonomic headset assembly
US6671494B1 (en) * 1998-06-18 2003-12-30 Competive Technologies, Inc. Small, battery operated RF transmitter for portable audio devices for use with headphones with RF receiver
DE10034322A1 (de) * 2000-07-12 2002-01-31 Siemens Ag HiFi-Kopfhörer mit Mobiltelefon
US6580929B1 (en) * 2000-09-27 2003-06-17 Mitake Information Corporation Mobile phone charger also functioning as a remote sound monitoring device
US20020076060A1 (en) * 2000-12-19 2002-06-20 Hall Ronald W. Programmable headset and programming apparatus and method
US7103392B2 (en) * 2002-01-15 2006-09-05 3M Innovative Properties Company Wireless intercom system
US6993292B2 (en) 2002-02-26 2006-01-31 3M Innovative Properties Company Self-monitoring radio network
JP3794363B2 (ja) * 2002-09-13 2006-07-05 ソニー株式会社 充電装置および充電方法
US7120388B2 (en) * 2002-12-16 2006-10-10 3M Innovative Properties Company Wireless intercom system and method of communicating using wireless intercom system
US7328672B2 (en) * 2005-04-29 2008-02-12 Tendik Development, Llc Radial impulse engine, pump, and compressor systems, and associated methods of operation
GB0615830D0 (en) * 2006-08-09 2006-09-20 The Technology Partnership Plc Headset
NZ549912A (en) * 2006-09-14 2009-07-31 Phitek Systems Ltd Battery Door
US7995770B1 (en) 2007-02-02 2011-08-09 Jeffrey Franklin Simon Apparatus and method for aligning and controlling reception of sound transmissions at locations distant from the sound source
WO2008118750A1 (en) * 2007-03-23 2008-10-02 3M Innovative Properties Company Modular electronic biosensor with interface for receiving disparate modules
WO2008118753A1 (en) * 2007-03-23 2008-10-02 3M Innovative Properties Company Power management for medical sensing devices employing multiple sensor signal feature detection
US20090030285A1 (en) * 2007-07-25 2009-01-29 Andersen Bjorn K Monitoring of use status and automatic power management in medical devices
US8145242B2 (en) * 2007-08-31 2012-03-27 At&T Intellectual Property I, L.P. Determining geographic zone
CN102256191A (zh) * 2010-05-17 2011-11-23 鸿富锦精密工业（深圳）有限公司 耳机
US20140086429A1 (en) * 2010-08-24 2014-03-27 Able Planet Inc. Single chamber headphone apparatus
US8938078B2 (en) 2010-10-07 2015-01-20 Concertsonics, Llc Method and system for enhancing sound
GB201104924D0 (en) 2011-03-24 2011-05-04 Crawley Alan M Improvements in headphones
US8588432B1 (en) 2012-10-12 2013-11-19 Jeffrey Franklin Simon Apparatus and method for authorizing reproduction and controlling of program transmissions at locations distant from the program source
US9742208B2 (en) 2015-10-08 2017-08-22 Headphone Events, Inc. Electrical charging case for wireless headsets
EP4106345A1 (en) * 2021-06-18 2022-12-21 Burmester Audiosysteme GmbH Headphones

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1695172A (en) * 1924-02-09 1928-12-11 Edward F Colladay Radio receiving instrument
US2554270A (en) * 1946-10-29 1951-05-22 John Archer Carter Compact radio receiver
US2678999A (en) * 1949-08-08 1954-05-18 John R Norris Portable radio
US3033930A (en) * 1958-06-02 1962-05-08 Admiral Corp Control circuit
US3029339A (en) * 1959-01-26 1962-04-10 Rca Corp Variable tuning circuit
US3122847A (en) * 1961-06-27 1964-03-03 Robert H Redfield Electronic teaching device
US3249873A (en) * 1963-05-22 1966-05-03 Gen Motors Corp Miniaturized helmet exponential horn speaker for a portable radio receiver
US3569633A (en) * 1967-12-21 1971-03-09 Heath Co Fm stereo receiver having automatic threshold switching circuitry

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2355617A (en) * 1999-10-20 2001-04-25 Central Research Lab Ltd Headphones with interchangeable, integral source of audio signal
GB2585129A (en) * 2019-04-04 2020-12-30 Tymphany Acoustic Tech Huizhou Co Ltd Headphone assembly and headphone controlling method
GB2585129B (en) * 2019-04-04 2021-08-18 Tymphany Acoustic Tech Huizhou Co Ltd Headphone assembly and headphone controlling method

Also Published As

Publication number Publication date
US3906160A (en) 1975-09-16
DE1913453A1 (de) 1969-09-25
FR2006116A1 (enExample) 1969-12-19
DE1913453B2 (enExample) 1971-01-14
AU450805B2 (en) 1970-09-17
NL6904166A (enExample) 1969-09-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee