FR2002015A1 - - Google Patents

Info

Publication number: FR2002015A1
Authority: FR; France
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.): Granted

Application number

FR6903434A

Other languages

Other versions

FR2002015B1 (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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1968-02-16

Filing date

1969-02-13

Publication date

1969-10-03

1969-02-13 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1969-10-03 Publication of FR2002015A1 publication Critical patent/FR2002015A1/fr

1975-07-04 Application granted granted Critical

1975-07-04 Publication of FR2002015B1 publication Critical patent/FR2002015B1/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/30—Time-delay networks
- H03H9/36—Time-delay networks with non-adjustable delay time

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

FR6903434A 1968-02-16 1969-02-13 Expired FR2002015B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB7759/68A GB1171261A (en)	1968-02-16	1968-02-16	Improved Ultra-Sonic Delay Line

Publications (2)

Publication Number	Publication Date
FR2002015A1 true FR2002015A1 (en)	1969-10-03
FR2002015B1 FR2002015B1 (en)	1975-07-04

Family

ID=9839174

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR6903434A Expired FR2002015B1 (en)	1968-02-16	1969-02-13

Country Status (4)

Country	Link
US (1)	US3671887A (en)
FR (1)	FR2002015B1 (en)
GB (1)	GB1171261A (en)
NL (1)	NL6902096A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4890647A (en) *	1971-05-14	1973-11-26	Matsushita Electric Industrial Co Ltd
US5173667A (en) *	1991-02-19	1992-12-22	Ford Motor Company	Acoustic wave transmission media delay line having internally disposed absorber channels
US8603292B2 (en) *	2009-10-28	2013-12-10	Lam Research Corporation	Quartz window for a degas chamber
DE102011086326A1 (en)	2011-11-15	2013-05-16	Söring GmbH	Ultrasound surgical instrument

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2839731A (en) *	1953-01-14	1958-06-17	Bell Telephone Labor Inc	Multi-facet ultrasonic delay line
US2826744A (en) *	1953-05-20	1958-03-11	David L Arenberg	Multiple mode prism delay line
US2907958A (en) *	1956-09-27	1959-10-06	Westinghouse Electric Corp	Signal delay means
US2965851A (en) *	1957-12-26	1960-12-20	Bell Telephone Labor Inc	Tapped ultrasonic delay line
US2927284A (en) *	1958-07-18	1960-03-01	Edsel A Worrell	Multiple path ultrasonic delay line
US3025479A (en) *	1959-06-01	1962-03-13	Bliley Electric Company	Long ultrasonic delay line
US3522557A (en) *	1963-07-19	1970-08-04	Bell Telephone Labor Inc	Acoustic delay line

1968
- 1968-02-16 GB GB7759/68A patent/GB1171261A/en not_active Expired
1969
- 1969-02-11 NL NL6902096A patent/NL6902096A/xx unknown
- 1969-02-12 US US798665A patent/US3671887A/en not_active Expired - Lifetime
- 1969-02-13 FR FR6903434A patent/FR2002015B1/fr not_active Expired

Also Published As

Publication number	Publication date
NL6902096A (en)	1969-08-19
DE1902783B2 (en)	1976-03-04
DE1902783A1 (en)	1969-09-18
GB1171261A (en)	1969-11-19
US3671887A (en)	1972-06-20
FR2002015B1 (en)	1975-07-04

Publication	Publication Date	Title
AU428130B2 (en)	1972-09-14
AU2374870A (en)	1972-06-29
AU5184069A (en)	1970-07-17
AU6168869A (en)	1971-04-08
AU6171569A (en)	1971-04-08
AU429879B2 (en)	1972-11-09
AU416157B2 (en)	1971-08-23
AU2581067A (en)	1970-02-19
AU4811568A (en)	1974-08-01
AU421558B1 (en)	1970-01-29
AU3789668A (en)	1968-06-20
AU4744468A (en)	1970-06-18
AU3224368A (en)	1969-07-17
AR203075Q (en)	1975-08-14
AU479393A (en)	1974-02-07
BE708888A (en)	1968-07-03
AU4503667A (en)	1970-04-23
AU4558658A (en)	1970-05-07
AU463027A (en)	1971-03-04
AU4270368A (en)	1970-03-05
BE728107A (en)	1969-08-07
AU479894A (en)	1973-08-30
AU4224469A (en)	1970-02-26
AU3083868A (en)	1969-10-30
BE727974A (en)	1969-07-16

Legal Events

Date	Code	Title	Description
1977-04-15	ST	Notification of lapse