← Back to Patent Explorer
US3202905A Expired / Lapsed US ⏱️ 0.0 years remaining

Remotely controlled attenuator devices

Assignee: STRAZA IND
•
Filing: 1962-01-02
•
Granted: 1965-08-24
•
Expires: 1982-01-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Aldan D Gomez

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:36
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/24; H03H7/27; H03G; H03G1/00; H03G1/0005; H03G1/0035; H03G1/0047; H05; H05B; H05B33/00; H05B33/12; H05B44/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 101 words
A REMOTELY CONTROLLED VARIABLEE ATTENUATOR FOR USE IN A CIRCCUIT BETWEEN A VOLTAGE SOURCE AND A LOAD CIRCUIT TO CONTROL THE VOLTAGE APPLIED TO THE LOAD CIRCUIT, SAID ATTENUATOR COMPRISING: (A) A HERMIETICALLY SEALED HOUSING HAVING TWO TERMINAL GROUPS EACH CONSISTING OF THREE TERMINALS; (B) A PAIR OF PHOTOOCONDUCTIVE ELEMENTS IN SAID HOUSING CONNECTED IN SERIES CIRCUIT ARRANGEMENT BETWEEN TWO OF ONE GROUP OF THREE TERMINALS WITHH THE THIRD TERMINAL OF SAID ONE GROUP CONNECTED TO A CCOMMON POINT BETWEEN SAID PHOTTOCONDUCTIVE ELEMENTS; (C) A PAIR OF ELECTROLUMINESCENT LIGHT SOURCES ARRANGED AND POSITIONED SO THAT EACH IUMINATES ONLY ONE PHOTOCONDUCTIVE ELEMENT;
Claim 2
Dependent Claim 101 words
A REMOTELY CONTROLLED VARIABLEE ATTENUATOR FOR USE IN A CIRCCUIT BETWEEN A VOLTAGE SOURCE AND A LOAD CIRCUIT TO CONTROL THE VOLTAGE APPLIED TO THE LOAD CIRCUIT, SAID ATTENUATOR COMPRISING: (A) A HERMIETICALLY SEALED HOUSING HAVING TWO TERMINAL GROUPS EACH CONSISTING OF THREE TERMINALS; (B) A PAIR OF PHOTOOCONDUCTIVE ELEMENTS IN SAID HOUSING CONNECTED IN SERIES CIRCUIT ARRANGEMENT BETWEEN TWO OF ONE GROUP OF THREE TERMINALS WITHH THE THIRD TERMINAL OF SAID ONE GROUP CONNECTED TO A CCOMMON POINT BETWEEN SAID PHOTTOCONDUCTIVE ELEMENTS; (C) A PAIR OF ELECTROLUMINESCENT LIGHT SOURCES ARRANGED AND POSITIONED SO THAT EACH IUMINATES ONLY ONE PHOTOCONDUCTIVE ELEMENT;

References Cited (Backward Citations)

US2736848A Cited
DE1093883B Cited
CA626847A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-23 1969-02-22 1969-08-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-23 1973-02-22 1973-08-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-23 1977-02-22 1977-08-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag