BE497733A - - Google Patents

Info

Publication number
BE497733A
BE497733A BE497733DA BE497733A BE 497733 A BE497733 A BE 497733A BE 497733D A BE497733D A BE 497733DA BE 497733 A BE497733 A BE 497733A
Authority
BE
Belgium
Prior art keywords
cell
sound
frequency
crystal
cells
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE497733A publication Critical patent/BE497733A/fr

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor

Landscapes

  • Optical Recording Or Reproduction (AREA)
BE497733D BE497733A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE497733A true BE497733A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=140616

Family Applications (1)

Application Number Title Priority Date Filing Date
BE497733D BE497733A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE497733A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Similar Documents

Publication Publication Date Title
FR2739523A1 (fr) Circuit pour poste telephonique comportant une alimentation de diode electroluminescente
EP1713177A1 (fr) Amplificateur differentiel à gain variable
BE497733A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP1470622A1 (fr) Composant a absorbant saturable et procede de fabrication de composant a absorbant saturable
FR2512610A1 (fr) Reducteur de bruit
EP0692921B1 (fr) Dispositif de prise de son par microphone électret
BE366028A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE387054A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP2783192B1 (fr) Circuit de détection avec un module de réduction du bruit
FR2533761A1 (fr) Combineur compact de dispositifs semi-conducteurs fonctionnant dans le domaine des hyperfrequences
BE405312A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR2461409A1 (fr) Recepteur radio extra plat encartable dans un support en feuille imprime et support imprime comportant un tel recepteur encarte
BE441626A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE386141A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE347639A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE371331A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE468744A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE463118A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE418489A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE400911A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE507556A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE365943A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE361486A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE354951A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE458375A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)