Radio connected alarm system

Claim 2

A personal alarm system for guarding a person against the danger of fire and/or unlawful entry comprising a radio, said radio including a radio receiving circuit, a speaker having a pair of leads connecting said speaker in circuit with said receiving circuit, wherein said speaker functions as an alarm for said alarm system, a power supply for energizing said receiving circuit, and a radio on-off switch means in series with said power supply and radio receiving circuit for energizing and de-energizing said receiving circuit, electrically actuated means disposed in one of said speaker leads for interrupting the circuit to said speaker, an alarm switch means for enabling said person to connect said electrically actuated means into and out of circuit with said power supply whereby the circuit to said speaker is interrupted when said alarm switch means is actuated, and a detector means including a normally closed switch responsive to said danger connected in series with said alarm switch means and said electrically actuated means for completeing the circuit to said speaker when said detector means is activated in response to said danger.

Claim 3

An alarm system comprising a radio, said radio including a radio receiving circuit, a speaker having a pair of leads connecting said speaker in circuit with said receiving circuit, wherein said speaker functions as an alarm for said alarm system, a power supply for energizing said receiving circuit, and a Radio on-off switch means in series with said power supply and radio receiving circuit for energizing and de-energizing said receiving circuit, electrically actuated means disposed in one of said speaker leads for interrupting the circuit to said speaker, a switch means for connecting said electrically actuated means into and out of circuit with said power supply whereby the circuit to said speaker is interrupted when said switch means is actuated, and a detector means connected in series with said switch means and said electrically actuated means for completing the circuit to said speaker when said detector means is activated, said electrically actuated means includes a relay having a pair of spaced apart contacts disposed in one of said speaker leads, a coil connected in circuit with said power supply, and magnetically energized contactor operatively associated with said coil, said contactor normally closing said contacts when said coil is de-energized, and including means connecting said speaker in circuit with said receiving circuit when said contacts in said one speaker leads are open.

Claim 4

An alarm system comprising a radio, said radio including a radio receiving circuit, a speaker having a pair of leads connecting said speaker in circuit with said receiving circuit, wherein said speaker functions as an alarm for said alarm system, a power supply for energizing said receiving circuit, and a Radio on-off switch means in series with said power supply and radio receiving circuit for energizing and de-energizing said receiving circuit, electrically actuated means disposed in one of said speaker leads for interrupting the circuit to said speaker, a switch means for connecting said electrically actuated means into and out of circuit with said power supply whereby the circuit to said speaker is interrupted when said switch means is actuated, and a detector means connected in series with said switch means and said electrically actuated means for completing the circuit to said speaker when said detector means is activated, said electrically actuated means includes a relay having a pair of spaced apart contacts disposed in one of said speaker leads, a coil connected in circuit with said power supply, and magnetically energized contactor operatively associated with said coil, said contactor normally closing said contacts when said coil is de-energized, and including means connecting said speaker in circuit with said receiving circuit when said contacts in said one speaker leads are open.

Claim 5

An alarm system comprising a radio, said radio including a radio receiving circuit, a speaker having a pair of leads connecting said speaker in circuit with said receiving circuit wherein said speaker functions as an audio alarm for said alarm system, a power supply for energizing said receiving circuit, and a radio on-off switch disposed in series with said power supply and radio receiving circuit for energizing and de-energizing said radio receiving circuit, a magnetic relay having a switch means disposed in one of said speaker leads and a coil for magnetically activating said switch means, an alarm switch means for connecting the coil of said relay in circuit with said power supply to energize said coil to activate said alarm system, and an alarm detector means connected in series with said alarm switch means and said coil, whereby said relay is energized to energize said speaker for sounding an alarm when said alarm detector means is activated, and including a by-pass recepticle disposed in said one speaker lead, and a by-pass plug adapted to be received in said by-pass recepticle to activate said speaker when said relay coil is energized.

Claim 6

An alarm system comprising a radio, said radio including a radio receiving circuit, a speaker having a pair of leads connecting said speaker in circuit with said receiving circuit wherein said speaker functions as an audio alarm for said alarm system, a power supply for energizing said receiving circuit, and a radio on-off switch disposed in series with said power supply and radio receiving circuit for energizing and de-energizing said radio receiving circuit, a magnetic relay having a switch means disposed in one of said speaker leads and a coil for magnetically activating said switch means, an alarm switch means for connecting the coil of said relay in circuit with said power supply to energize said coil to activate said alarm system, and an alarm detector means connected in series with said alarm switch means and said coil, whereby said relay is energized to energize said speaker for sounding an alarm when said alarm detector means is activated, and including a by-pass recepticle disposed in said one speaker lead, and a by-pass plug adapted to be received in said by-pass recepticle to activate said speaker when said relay coil is energized.

Claim 7

The invention as defined in claim 3 wherein said relay switch means includes a normally closed switch.

Claim 8

The invention as claimed in claim 3 wherein said radio includes a self contained power supply whereby said radio is rendered readily portable.

Claim 9

The invention as defined in claim 3 wherein said alarm detector means includes a temperature responsive switching means.

Claim 10

The invention as defined in claim 3 wherein said alarm detector means comprises a magnetic switch means.

Claim 11

The invention as defined in claim 7 wherein said magnetic switch means comprises a pair of complementary magnetically attractive members, each of said members being adapted to be fixed to complementary portion of an access opening, and said members being electrically connected in series with said relay coil and said alarm switch means, said members being normally attracted to define a normally closed switch for maintaining said relay coil energized when said alarm switch means is activated to energize said coil.

Claim 12

The invention as defined in claim 3 wherein said alarm detector means includes switch means responsive to temperature changes, and a switch means responsive to motion, said temperature responsive switch means and motion responsive switch means being connected in series with said alarm switch means and relay coil whereby said alarm detector means may function either as a fire alarm and/or burglar alarm depending upon which of said latter mentioned switch means is activated.

Claim 13

The invention as defined in claim 9 wherein said temperature responsive switch means and said motion responsive switch means comprise normally closed switch means.

Claim 14

A alarm system comprising: a readily portable radio having a receiving circuit, a speaker having a pair of leads connecting said speaker in circuit with said receiving circuit wherein said speaker is adapted to function as an audio alarm, a self-contained power supply for energizing said receiving circuit, and a radio on-off switch disposed in series with said power supply and radio receiving circuit for energizing and de-energizing said radio receiving circuit, a magnetic relay having switch contacts disposed in one of said speaker leads, a magnetically energized switch for closing said switch contacts, and a relay coil, said switch normally closing said contacts when said relay coil is de-energized, a by-pass recepticle disposed in series with said switch contacts in said one speaker leads, a by-pass plug adapted to be received in said recepticle to close said one speaker lead when said switch contacts are open, an alarm switch means for connecting the coil of said relay in circuit with said power supply, said alarm switch means including a double pole, single throw switch, said alarm switch having a pair of contacts connected to the power supply leads and a second pair of contacts connected in series to a relay coil lead, a pair of detector means connected in series to said coil, said detector means including a normally closed switch means responsive to changes in temperature, and a second normally closed switch means responsive to movement whereby when said alarm switch and said radio on-off switch are closed, said speaker is energized to sound an alarm when one of said detector switch means is opened.

Claim 15

A alarm system comprising: a readily portable radio having a receiving circuit, a speaker having a pair of leads connecting said speaker in circuit with said receiving circuit wherein said speaker is adapted to function as an audio alarm, a self-contained power supply for energizing said receiving circuit, and a radio on-off switch disposed in series with said power supply and radio receiving circuit for energizing and de-energizing said radio receiving circuit, a magnetic relay having switch contacts disposed in one of said speaker leads, a magnetically energized switch for closing said switch contacts, and a relay coil, said switch normally closing said contacts when said relay coil is de-energized, a by-pass recepticle disposed in series with said switch contacts in said one speaker leads, a by-pass plug adapted to be received in said recepticle to close said one speaker lead when said switch contacts are open, an alarm switch means for connecting the coil of said relay in circuit with said power supply, said alarm switch means including a double pole, single throw switch, said alarm switch having a pair of contacts connected to the power supply leads and a second pair of contacts connected in series to a relay coil lead, a pair of detector means connected in series to said coil, said detector means including a normally closed switch means responsive to changes in temperature, and a second normally closed switch means responsive to movement whereby when said alarm switch and said radio on-off switch are closed, said speaker is energized to sound an alarm when one of said detector switch means is opened.