CA477491A - Ensembles optiques d'enregistrement et de controle - Google Patents

Ensembles optiques d'enregistrement et de controle

Info

Publication number: CA477491A
Authority: CA; Canada
Prior art keywords: recording; optical units; monitoring optical; monitoring; units
Prior art date: 1951-10-02
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

CA477491A

Other languages

English (en)

Inventor

Theron Sachtleben Lawrence

Lawrence Pettus James

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.)

RCA Corp

Original Assignee

Radio Corporation of America

Publication date

1951-10-02

1951-10-02 Application granted granted Critical

1951-10-02 Publication of CA477491A publication Critical patent/CA477491A/fr

Status Expired legal-status Critical Current

Links

238000012544 monitoring process Methods 0.000 title 1
230000003287 optical effect Effects 0.000 title 1

CA477491A Ensembles optiques d'enregistrement et de controle Expired CA477491A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA477491T

Publications (1)

Publication Number	Publication Date
CA477491A true CA477491A (fr)	1951-10-02

Family

ID=35617137

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA477491A Expired CA477491A (fr)			Ensembles optiques d'enregistrement et de controle

Country Status (1)

Country	Link
CA (1)	CA477491A (fr)

0
- CA CA477491A patent/CA477491A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
CA477491A (fr)	1951-10-02	Ensembles optiques d'enregistrement et de controle
CA475049A (fr)	1951-07-03	Polariseurs
CA477310A (fr)	1951-09-25	Systemes et methodes d'enregistrement
CA476918A (fr)	1951-09-11	Alimentateurs de ruban
CA478587A (fr)	1951-11-13	Methodes et appareils d'enregistrement
CA476760A (fr)	1951-09-04	Systemes d'enregistrement
CA476122A (fr)	1951-08-14	Methodes et systemes d'enregistrement de sons negatifs et positifs
CA475240A (fr)	1951-07-10	Appareil a changer les disques
CA479534A (fr)	1951-12-18	Elements d'optique
CA479043A (fr)	1951-12-04	Trousses a vue entiere pour documents
CA470685A (fr)	1951-01-09	Enregistreurs photographiques
CA471152A (fr)	1951-01-30	Appareils d'enregistrement et de commande
CA478158A (fr)	1951-10-30	Dispositifs de lecture de fiches
CA477166A (fr)	1951-09-25	Horloges enregistreuses
CA471063A (fr)	1951-01-23	Appareils de phonographes
CA474835A (fr)	1951-06-26	Appareil de phonographes
CA475907A (fr)	1951-08-07	Appareil de phonographe
CA474348A (fr)	1951-06-12	Enregistreurs de surtensions
CA471710A (fr)	1951-02-27	Feux de route
CA475516A (fr)	1951-07-24	Tourne-disques
CA471205A (fr)	1951-01-30	Appareils pour l'enregistrement des sons
CA471206A (fr)	1951-01-30	Appareils pour l'enregistrement des sons
CA473157A (fr)	1951-04-24	Enregistreurs chronometriques
AU152784B2 (en)	1951-11-22	Improvements in phonographs
AU154204B2 (en)	1952-01-10	Improvements in phonographs