NL157184B - Groeftaster. - Google Patents

Groeftaster.

Info

Publication number: NL157184B
Authority: NL; Netherlands
Prior art keywords: taster; groove; groove taster
Prior art date: 1969-05-09

Application number

NL7006697.A

Other languages

English (en)

Other versions

NL7006697A (nl

Original Assignee

Matsushita Electric Ind 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.)

1969-05-09

Filing date

1970-05-08

Publication date

1978-06-15

1969-05-09 Priority claimed from JP3683369A external-priority patent/JPS4843477B1/ja

1969-05-09 Priority claimed from JP3683169A external-priority patent/JPS4919441B1/ja

1969-05-09 Priority claimed from JP3683269A external-priority patent/JPS4919442B1/ja

1970-05-08 Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd

1970-11-11 Publication of NL7006697A publication Critical patent/NL7006697A/xx

1978-06-15 Publication of NL157184B publication Critical patent/NL157184B/nl

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/04—Gramophone pick-ups using a stylus; Recorders using a stylus
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Pressure Sensors (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)

NL7006697.A 1969-05-09 1970-05-08 Groeftaster. NL157184B (nl)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date
JP3683369A JPS4843477B1 (nl)	1969-05-09	1969-05-09
JP3683169A JPS4919441B1 (nl)	1969-05-09	1969-05-09
JP3683069		1969-05-09
JP3683269A JPS4919442B1 (nl)	1969-05-09	1969-05-09

Publications (2)

Publication Number	Publication Date
NL7006697A NL7006697A (nl)	1970-11-11
NL157184B true NL157184B (nl)	1978-06-15

Family

ID=27460323

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7006697.A NL157184B (nl)	1969-05-09	1970-05-08	Groeftaster.

Country Status (5)

Country	Link
US (1)	US3691316A (nl)
DE (1)	DE2022252C3 (nl)
FR (1)	FR2060008B1 (nl)
GB (1)	GB1308473A (nl)
NL (1)	NL157184B (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1447392A (en) *	1972-08-17	1976-08-25	Nagamura F	Recording apparatus
US5489900A (en) *	1994-06-03	1996-02-06	International Business Machines Corporation	Force sensitive transducer for use in a computer keyboard

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR986662A (fr) *	1943-12-03	1951-08-03		Pick-up phonographique
GB693161A (en) *	1948-03-31	1953-06-24	Brush Dev Co	Improvements in and relating to electro-mechanical transducer units
US3377439A (en) *	1958-04-03	1968-04-09	Erie Technological Prod Inc	Binaural piezoelectric pickup
NL275714A (nl) *	1961-03-09	1900-01-01
GB1041744A (en) *	1962-05-14	1966-09-07	Emi Ltd	Improvements relating to gramophone pick-ups
US3518508A (en) *	1965-12-10	1970-06-30	Matsushita Electric Ind Co Ltd	Transducer
DE1287135B (de) *	1967-06-16	1969-01-16	Telefunken Patent	Elektroakustischer Wandler mit einer Schicht aus Halbleitermaterial bedeckten Membran

1970
- 1970-05-04 US US34506A patent/US3691316A/en not_active Expired - Lifetime
- 1970-05-06 DE DE2022252A patent/DE2022252C3/de not_active Expired
- 1970-05-08 FR FR7016809A patent/FR2060008B1/fr not_active Expired
- 1970-05-08 NL NL7006697.A patent/NL157184B/nl not_active IP Right Cessation
- 1970-05-11 GB GB2271870A patent/GB1308473A/en not_active Expired

Also Published As

Publication number	Publication date
US3691316A (en)	1972-09-12
DE2022252A1 (de)	1971-05-27
GB1308473A (en)	1973-02-21
DE2022252C3 (de)	1973-12-13
DE2022252B2 (de)	1973-05-30
NL7006697A (nl)	1970-11-11
FR2060008B1 (nl)	1975-02-21
FR2060008A1 (nl)	1971-06-11

Publication	Publication Date	Title
DK126959B (da)	1973-09-03	Muffe.
DK136274B (da)	1977-09-19	Universalled.
NL156886B (nl)	1978-05-16	Groeftaster.
DK137867B (da)	1978-05-22	Stenbor.
NL157184B (nl)	1978-06-15	Groeftaster.
DK125006B (da)	1972-12-18	Termokopieringsapparat.
DK126547B (da)	1973-07-30	Nematodicid.
ES149772Y (es)	1970-05-01	Pulsometro.
DK124185B (da)	1972-09-25	Termokopieringsmaskine.
ES153666Y (es)	1971-03-16	Espadin incorporado.
ES146629Y (es)	1970-03-01	Planisferio.
ES147388Y (es)	1970-08-16	Mini-botiquin.
ES144827Y (es)	1969-12-16	Llavero-carnet.
ES144881Y (es)	1969-12-16	Caja-envase.
ES144928Y (es)	1970-02-01	Postal-sobre.
ES145022Y (es)	1970-07-01	Manta-colcha.
ES145198Y (es)	1969-12-16	Pinza prende-etiquetas.
ES145387Y (es)	1970-01-16	Plumier.
ES145531Y (es)	1970-06-16	Caja-estuche.
ES145686Y (es)	1970-01-16	Abocinador.
ES145939Y (es)	1970-01-01	Mesa-bar.
ES146148Y (es)	1970-02-16	Palillero.
ES146522Y (es)	1970-01-16	Capacho.
ES146532Y (es)	1970-08-16	Etiqueta-faja.
ES150291Y (es)	1970-12-16	Caja-termo.

Legal Events

Date	Code	Title	Description
1984-01-16	V1	Lapsed because of non-payment of the annual fee
1990-05-31	NL80	Information provided on patent owner name for an already discontinued patent	Owner name: MATSUSHITA EL