FR2161970B1 - - Google Patents

Info

Publication number
FR2161970B1
FR2161970B1 FR7240419A FR7240419A FR2161970B1 FR 2161970 B1 FR2161970 B1 FR 2161970B1 FR 7240419 A FR7240419 A FR 7240419A FR 7240419 A FR7240419 A FR 7240419A FR 2161970 B1 FR2161970 B1 FR 2161970B1
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.)
Expired
Application number
FR7240419A
Other languages
French (fr)
Other versions
FR2161970A1 (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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2161970A1 publication Critical patent/FR2161970A1/fr
Application granted granted Critical
Publication of FR2161970B1 publication Critical patent/FR2161970B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/36—Devices for manipulating acoustic surface waves
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12004—Combinations of two or more optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Optical Integrated Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
FR7240419A 1971-11-30 1972-11-08 Expired FR2161970B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20318571A 1971-11-30 1971-11-30

Publications (2)

Publication Number Publication Date
FR2161970A1 FR2161970A1 (en) 1973-07-13
FR2161970B1 true FR2161970B1 (en) 1975-03-28

Family

ID=22752867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7240419A Expired FR2161970B1 (en) 1971-11-30 1972-11-08

Country Status (4)

Country Link
JP (1) JPS4863287A (en)
DE (1) DE2247631A1 (en)
FR (1) FR2161970B1 (en)
GB (1) GB1407049A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5072565A (en) * 1973-10-29 1975-06-16
JPS5178668A (en) * 1974-12-24 1976-07-08 Thomson Csf DANSEIHYOMENHASHIKOSEIDENSOSOCHI OYOBI SONOSEIZOHOHO

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406358A (en) * 1967-10-30 1968-10-15 Bell Telephone Labor Inc Ultrasonic surface waveguides
US3558213A (en) * 1969-04-25 1971-01-26 Bell Telephone Labor Inc Optical frequency filters using disc cavity

Also Published As

Publication number Publication date
DE2247631A1 (en) 1973-06-07
JPS4863287A (en) 1973-09-03
GB1407049A (en) 1975-09-24
FR2161970A1 (en) 1973-07-13

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Legal Events

Date Code Title Description
ST Notification of lapse