Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1980-11-24
1983-05-10
Blum, Theodore M.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
G01S 124
Patent
active
043832598
ABSTRACT:
Navigational apparatus adapted for interfacing between a Loran C receiver and an auto pilot is disclosed. The apparatus includes a reader for reading course error which is displayed on the readout panel of the receiver, a controller for inputting control signals to a vessel's auto pilot, which control signals direct the auto pilot to sheet straight ahead, correct left or correct right, and a computer for activating the controller in accordance with the data sensed by the reader. An audible alarm is included to alert a vessel's captain of a malfunction or an extreme off-course error so that the captain can manually effectuate any necessary corrective actions.
REFERENCES:
patent: 2991011 (1961-07-01), Schuck
patent: 3737635 (1973-06-01), Hastings
patent: 3947849 (1976-03-01), Fehlner et al.
Loran C, User Handbook, Aug., 1974, C. G.- 462 Department of Transportation Coast Guard.
Popular Science Magazine, Aug. 1980, pp. 76-78, Times Morror Magazines, Inc., 380 Madison Avenue, New York, N.Y. 11017
Electra Yacht Marine Electronics Handbook, 1980/1981, Electra Yacht, Inc., 6 Yacht Haven Marine Center, Stanford, Conn., 06902.
"The TI9900 Fully Automatic, Computer-Controlled Loran C Navigator", Texas Instruments, Inc.
"Wesmar AP1100 Autopilot", Wesmar Marine Systems Division, 905 Dexter Avenue North, Box C19074, Seattle, Wash. 98109.
"Micrologic ML-120 Loran C Receiver" Micrologic 20801 Dearborn, Chatsworth, CA, 91311.
"Product Information-Simrad-Simrad CC-2 Navigation Computer", Simrad, Inc., One Labriola Court, Armonk, N.Y., 10504.
"Benmar's Course Setter 21 Series", Benmar, _Division of Cetec Corporation, 3000 West Warner Avenue, Santa Ana, Calif., 92704.
"Wesmar Automatic Loran C Navigator-Autopilot Course Correction Interface", Wesmar Marine Systems Division, 905 Dexter Avenue North, Box C19074, Seattle, Wash., 98109.
"Microprocessor Northstar 6000" (Automatic Loran C Receiver), Digital Marine Electronics Corporation, Civil Air Terminal, Bedford, Mass., 01730.
Blum Theodore M.
Saccocio Richard M.
World Navigation Electronics Inc.
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