GB1285611A - A photoelectric stereophonic pick-up - Google Patents

A photoelectric stereophonic pick-up

Info

Publication number
GB1285611A
GB1285611A GB56352/69A GB5635269A GB1285611A GB 1285611 A GB1285611 A GB 1285611A GB 56352/69 A GB56352/69 A GB 56352/69A GB 5635269 A GB5635269 A GB 5635269A GB 1285611 A GB1285611 A GB 1285611A
Authority
GB
United Kingdom
Prior art keywords
light
pick
photo
support
arm
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
GB56352/69A
Other languages
English (en)
Inventor
Eckhard Laue
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.)
Dual Gebruder Steidinger GmbH and Co
Original Assignee
Dual Gebruder Steidinger GmbH and Co
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
Application filed by Dual Gebruder Steidinger GmbH and Co filed Critical Dual Gebruder Steidinger GmbH and Co
Publication of GB1285611A publication Critical patent/GB1285611A/en
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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Couplings Of Light Guides (AREA)
GB56352/69A 1968-11-26 1969-11-18 A photoelectric stereophonic pick-up Expired GB1285611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681810984 DE1810984A1 (de) 1968-11-26 1968-11-26 Lichtelektrischer Tonabnehmer

Publications (1)

Publication Number Publication Date
GB1285611A true GB1285611A (en) 1972-08-16

Family

ID=5714368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB56352/69A Expired GB1285611A (en) 1968-11-26 1969-11-18 A photoelectric stereophonic pick-up

Country Status (5)

Country Link
US (1) US3666896A (enrdf_load_stackoverflow)
JP (1) JPS5029321B1 (enrdf_load_stackoverflow)
DE (1) DE1810984A1 (enrdf_load_stackoverflow)
FR (1) FR2024265A6 (enrdf_load_stackoverflow)
GB (1) GB1285611A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860766A (en) * 1972-05-31 1975-01-14 Tokyo Shibaura Electric Co Optical signal reproducing apparatus
US4463871A (en) * 1983-08-03 1984-08-07 Public Service Electric And Gas Company Closure seal for high pressure vessel
US4710912A (en) * 1986-06-02 1987-12-01 Greene Hugh W Air cushion-optical data read head
JPS638476U (enrdf_load_stackoverflow) * 1986-07-04 1988-01-20

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1572427A1 (de) * 1967-05-06 1970-02-12 Dual Gebrueder Steidinger Lichtelektrischer Tonabnehmer

Also Published As

Publication number Publication date
US3666896A (en) 1972-05-30
JPS5029321B1 (enrdf_load_stackoverflow) 1975-09-22
DE1810984A1 (de) 1970-06-11
FR2024265A6 (enrdf_load_stackoverflow) 1970-08-28

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Legal Events

Date Code Title Description
416 Proceeding under section 16 patents act 1949
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees