VISUAL ALARM SYSTEM

Patent · Sat Nov 01 00:00:00 EST 1958

OSTI ID:4296294

Morris, J M

A vlsual alarm system, particularly a system incorporating a gas-fllled diode glow bulb, for indicating a minor alarm and also a major alarm is presented. In operation, the disclosed system responds to a signal indlcative of a caution condition by applying a d-c voltage across the glow bulb to induce a glow at one electrode. If a signal indicative of a critlcal condition is received, the system applies an a-c voltage across tbe glow bulb to produce a glow discharge at each electrode.

• Research Organization: Originating Research Org. not identified
• NSA Number: NSA-13-008394
• Assignee: U.S. Atomic Energy Commission
• Patent Number(s): US 2859431
• OSTI ID: 4296294
• Resource Relation: Other Information: Orig. Receipt Date: 31-DEC-59
• Country of Publication: United States
• Language: English

Related Subjects

PATENTS
DIODES
ELECTRIC POTENTIAL
ELECTRODES
ELECTRON TUBES
GASES
GLOW DISCHARGES
INDUCTION
MONITORING
OPERATION
SIGNALS