Patent US3314058A successfully refreshed from Google Patents.
Patent JPS57210787A successfully refreshed from Google Patents.
← Back to Patent Explorer
JPS57210787A Expired / Lapsed JP ⏱️ 0.0 years remaining

Television device confirming backward of vehicle

Assignee: Panasonic Holdings Corp
•
Filing: 1981-06-19
•
Granted: —
•
Expires: 2001-06-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE:To simplify all the systems used for a 12V vehicle, by providing a resistor and a changeover switch for a monitor television section. CONSTITUTION:With a main switch 5 to be closed, when a manual switch 11 is closed or a back gear switch 8 is closed, DC 24V of a battery 4 is reduced to a half with a resistor 21 and about 12V is applied to the coil of a monitor relay 20. In case of a 12V vehicle, a changeover switch 22 is selected to the terminal B, an up converter 18 is provided between a main fuse 6 and the manual switch 11 of a monitor television 1', allowing to set system constitution not requiring a 12V relay.

Inventors

  • 👤 Shinsei Takatsuji

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-10-23 14:29
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/18

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag