DK129610B - Magnetic, stereophonic pick-up. - Google Patents

Magnetic, stereophonic pick-up.

Info

Publication number: DK129610B
Authority: DK; Denmark
Prior art keywords: magnetic; stereophonic pick; stereophonic; pick
Prior art date: 1968-04-30

Application number

DK236869A

Other languages

Danish (da)

Other versions

DK129610C (en

Inventor

W Stanton

J Kuehn

Original Assignee

Pickering & Co 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.)

1968-04-30

Filing date

1969-04-29

Publication date

1974-10-28

1969-04-29 Application filed by Pickering & Co Inc filed Critical Pickering & Co Inc

1974-10-28 Publication of DK129610B publication Critical patent/DK129610B/en

1975-05-05 Application granted granted Critical

1975-05-05 Publication of DK129610C publication Critical patent/DK129610C/da

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
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R11/12—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Reciprocating, Oscillating Or Vibrating Motors (AREA)
Magnetic Treatment Devices (AREA)

DK236869A 1968-04-30 1969-04-29 Magnetic, stereophonic pick-up. DK129610B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US72545768A	1968-04-30	1968-04-30
US79492169A	1969-01-29	1969-01-29

Publications (2)

Publication Number	Publication Date
DK129610B true DK129610B (en)	1974-10-28
DK129610C DK129610C (en)	1975-05-05

Family

ID=27111143

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK236869A DK129610B (en)	1968-04-30	1969-04-29	Magnetic, stereophonic pick-up.

Country Status (8)

Country	Link
JP (1)	JPS5425401B1 (en)
BE (1)	BE732277A (en)
CH (1)	CH510923A (en)
DE (1)	DE1921927B2 (en)
DK (1)	DK129610B (en)
FR (1)	FR2007302A1 (en)
GB (1)	GB1245031A (en)
NL (1)	NL168390C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3646279A (en) *	1970-12-07	1972-02-29	Pickering & Co Inc	Induced magnetic moving iron stereophonic phonograph pickup with replaceable stylus assembly and one common pole piece
DE3228299A1 (en) *	1982-07-29	1984-02-02	Philips Patentverwaltung Gmbh, 2000 Hamburg	CARTRIDGES FOR READING INFORMATION FROM THE ROLL OF A ROTATING INFORMATION CARRIER DISK
FR3138127A1 (en)	2022-07-20	2024-01-26	Philippe BERTHELOT	Food packaging that can be dismantled after use to be washed and returned to its original state and its cleaning process using a machine or automated industrial equipment

1969
- 1969-04-09 NL NL6905490A patent/NL168390C/en not_active IP Right Cessation
- 1969-04-24 GB GB2107869A patent/GB1245031A/en not_active Expired
- 1969-04-29 FR FR6913680A patent/FR2007302A1/fr not_active Withdrawn
- 1969-04-29 BE BE732277D patent/BE732277A/xx not_active IP Right Cessation
- 1969-04-29 DE DE19691921927 patent/DE1921927B2/en active Granted
- 1969-04-29 CH CH653869A patent/CH510923A/en not_active IP Right Cessation
- 1969-04-29 DK DK236869A patent/DK129610B/en not_active IP Right Cessation
- 1969-04-30 JP JP3279769A patent/JPS5425401B1/ja active Pending

Also Published As

Publication number	Publication date
DE1921927C3 (en)	1980-10-16
NL6905490A (en)	1969-11-03
FR2007302A1 (en)	1970-01-02
NL168390C (en)	1982-03-16
BE732277A (en)	1969-10-29
JPS5425401B1 (en)	1979-08-28
NL168390B (en)	1981-10-16
GB1245031A (en)	1971-09-02
DE1921927A1 (en)	1969-11-20
CH510923A (en)	1971-07-31
DE1921927B2 (en)	1980-02-07
DK129610C (en)	1975-05-05

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Legal Events

Date	Code	Title	Description
1989-06-05	PUP	Patent expired