FR45704E - Improvements to amplifier systems including a photocell - Google Patents

Improvements to amplifier systems including a photocell

Info

Publication number
FR45704E
FR45704E FR45704DA FR45704E FR 45704 E FR45704 E FR 45704E FR 45704D A FR45704D A FR 45704DA FR 45704 E FR45704 E FR 45704E
Authority
FR
France
Prior art keywords
photocell
systems including
amplifier systems
amplifier
systems
Prior art date
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
Other languages
French (fr)
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR45704E publication Critical patent/FR45704E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/14—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/16—Photoelectric discharge tubes not involving the ionisation of a gas having photo- emissive cathode, e.g. alkaline photoelectric cell
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/34—Amplitude modulation by means of light-sensitive element
FR45704D 1934-07-23 1934-07-23 Improvements to amplifier systems including a photocell Expired FR45704E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR45704T 1934-07-23

Publications (1)

Publication Number Publication Date
FR45704E true FR45704E (en) 1935-11-18

Family

ID=8681418

Family Applications (2)

Application Number Title Priority Date Filing Date
FR788761D Expired FR788761A (en) 1934-07-23 1934-07-16 Improvements to amplifier systems including a photocell
FR45704D Expired FR45704E (en) 1934-07-23 1934-07-23 Improvements to amplifier systems including a photocell

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR788761D Expired FR788761A (en) 1934-07-23 1934-07-16 Improvements to amplifier systems including a photocell

Country Status (3)

Country Link
FR (2) FR788761A (en)
GB (1) GB460212A (en)
NL (1) NL42356C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5085060A (en) * 1991-03-02 1992-02-04 Ladies Houshoku Company Ltd. Clip ring type ornamental clasp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5085060A (en) * 1991-03-02 1992-02-04 Ladies Houshoku Company Ltd. Clip ring type ornamental clasp

Also Published As

Publication number Publication date
FR788761A (en) 1935-10-16
GB460212A (en) 1937-01-22
NL42356C (en) 1938-01-15

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