Automotive anti-theft device

Claim 2

An automotive anti-theft device comprising in combination: ignition switch means (A) including (a) circuitry for an automotive ignition system and (b) a switch for opening and closing alternately the circuitry, and (B) defining a receptacle structure, receivable of a switch key of predetermined coded structure; a switch key means having said predetermined coded structure such that the switch key means is operatively insertable into the receptacle structure and will close and open the circuitry; a converter means for converting direct current to alternating current, having DC-input and output terminals and having AC-terminals, the DC-input and output terminals being operatively connected to said circuitry; a gas line relay valve-switch means mountable in series within an automotive gas-line and including an alternating-current switchrelay operatively responsive to solely alternating current, the alternating-current switch-relay being operatively connected between said AC-terminals; grounding-out means connected to said AC-terminals for separately grounding-out each of the AC-terminals, the grounding-out means including a grounding-out relay-switch with power circuitry connected to a relay thereof, the grounding-out relay-switch being adapted to alternately close and open grounding-out circuitry, in electrical series with at least one of the AC-terminals for making and breaking ground alternately of at least one of said AC-terminals; and said switch key means having further coded structure for turning alternately off and on relay-activating power to the relay of said grounding-out relay-switch.

Claim 3

An automotive anti-theft device comprising in combination: ignition switch means (sA) including (a) circuitry for an automotive ignition system and (b) a switch for opening and closing alternately the circuitry, and (B) defining a receptacle structure, receivable of a switch key of predetermined coded structure; a switch key means having said predetermined coded structure such that the switch key means is operatively insertable into the receptacle structure and will close and open the circuitry; a converter means for converting direct current to alternating current, having DC-input and output terminals and having AC-terminals, the DC-input and output terminals being operatively connected to said circuitry; a gas line relay valveswitch means mountable in series within an automotive gas-line and including an alternating-current switchrelay operatively responsive to solely alternating current, the alternating-current switch-relay being operatively connected between said ACterminals; grounding-out means connected to said AC-terminals for separately grounding-out each of the AC-terminals, the groundingout means including a grounding-out relay-switch with power circuitry connected to a relay thereof, the grounding-out relayswitch being adapted to alternately close and open grounding-out circuitry, in electrical series with at least one of the ACterminals for making and breaking ground alternately of at least one of said AC-terminals; and said switch key means having further coded structure for turning alternately off and on relayactivating power to the relay of said grounding-out relay-switch.

Claim 4

An automotive anti-theft device comprising in combination: ignition switch means (sA) including (a) circuitry for an automotive ignition system and (b) a switch for opening and closing alternately the circuitry, and (B) defining a receptacle structure, receivable of a switch key of predetermined coded structure; a switch key means having said predetermined coded structure such that the switch key means is operatively insertable into the receptacle structure and will close and open the circuitry; a converter means for converting direct current to alternating current, having DC-input and output terminals and having AC-terminals, the DC-input and output terminals being operatively connected to said circuitry; a gas line relay valveswitch means mountable in series within an automotive gas-line and including an alternating-current switchrelay operatively responsive to solely alternating current, the alternating-current switch-relay being operatively connected between said ACterminals; grounding-out means connected to said AC-terminals for separately grounding-out each of the AC-terminals, the groundingout means including a grounding-out relay-switch with power circuitry connected to a relay thereof, the grounding-out relayswitch being adapted to alternately close and open grounding-out circuitry, in electrical series with at least one of the ACterminals for making and breaking ground alternately of at least one of said AC-terminals; and said switch key means having further coded structure for turning alternately off and on relayactivating power to the relay of said grounding-out relay-switch.

Claim 5

An automotive anti-theft device of claim 1, in which the gas line relay-switch means further includes each of (a) alternating-current switch-relay-coil circuitry and (b) a capacitor element in series with said alternating-current switch-relay within said alternating-current switch-relay-coil circuitry connected between and to said AC-terminals.

Claim 6

An automotive anti-theft device of claim 2, in which said further structure of the switch key means includes: photoelectric cell means comprising a plurality of separate light-beam-producing cells; a photo-electric cell-light-receiving logic cell means having power signal output capacity and output terminal and programmed to initiate a power signal from said output terminal of the logic cell means upon receipt of predetermined combination of photoelectric cell light beams from said plurality of separate light-beam-producing cells; in which said grounding-out means and the grounding-out relay thereof is operatively connected in electrical series after said logic cell means output terminal; and in which said grounding-out means includes: power amplifier means connected in series between said grounding relay and said logic cell means output terminal; a power relay switch means and photoelectric-cell power circuitry thereof, said power relay switch means being connected to said further coded structure such that power to the photoelectric cell means may be turned on and off alternately by manual manipulation of said further coded structure; an alternate power circuit connected operatively for power input into said grounding relay switch; a first gang-switch gang-connected for concurrent operation to open and close a circuit within said alternate power circuit, such that when said grounding-out relay-switch becomes activated and accordingly breaks a grounding circuit, concurrently circuitry within said alternate power circuit becomes closed; and a second gang-switch in circuit-opening and circuit-closing series within said grounding-out means gang-connected for operation when and as said grounding-out relay-switch breaks a grounding circuit such that the second gang-switch opens concurrently with the opening of said grounding-out relay-switch and concurrently with the closing of the alternate power circuit.

Claim 7

An automotive anti-theft device of claim 3, wherein said power circuitry for said photoelectric cell means is operatively connected to provide electric power input into the photoelectric cell means And operatively connected to the further coded structure such that the electric power to the photoelectric cell means may be turned off and on alternately by control of said further coded structure; said alternate power circuit connected operatively for power input into said grounding-out relay; said power relay switch means being connected in series within said alternate power circuit such that the power relay switch means closes circuit when said grounding relay-switch breaks a grounding circuit concurrently, said second gang-connected switch connected operatively to a second power circuit powering said power amplifier means and said automotive ignition system circuitry and said converter means, to turn-off the second power circuit concurrently when said grounding-out means breaks a grounding circuit, the photoelectric cell means power circuitry including a cell ground lead.

Claim 8

An automotive anti-theft device of claim 4, including metal tubular casing, and valve-switch means circuitry operatively connected to and between said AC-terminals and said gasline relay valve-switch means, said valve-switch means circuitry being substantially fully-enclosed and encased within said tubular casing.

Claim 9

An automotive anti-theft device of claim 5, including a metal container and lid structures and lid locking means for locking the lid structure in a closed state on the container structure, defined port structure being in at least one of the container structure and the lid structure respectively for circuitry leads, each of said converter means and the gas-line relay valve-switch means and the capacitor element and the power amplifier means and the gang-switches and the tubular casing being mounted within said container structure enclosable therein by said lid structure.

Claim 10

An automotive anti-theft device of claim 3, in which said further coded structure includes apertures in said key such that said photo-electric cell-light-receiving logic cell means are both coordinately programmed to block some of the light beams from the plurality of cells and to transmit through said apertures other beams of light from the plurality of cells, and for the photo-electric cell-light-receiving logic means to be transmittible of said power signal only when some of the beams of light are blocked by the key structure and simultaneously when others of the beams of light are transmitted through said apertures of the key structure in accord with the programmed photo-electric cell-light-receiving logic means, said photo-electric cell-light-receiving logic means and said photoelectric cell means being mounted in conjunction with said ignition switch means operatively on opposite sides of the receptacle structure.