US5621379A — Tone dialing activated emergency locator signal l…

Claim 1

Independent Claim 80 words

An emergency locator signal light system comprising: a signal light device; and electronic circuitry responsive to dialing signals on a telephone line and having at least a monitor mode and a command mode, said electronic circuitry when in the monitor mode being responsive to the dialing of a predetermined telephone number to initiate the command mode, and said electronic circuitry when in the command mode being responsive to a predetermined tone dialing signal sequence to activate said signal light device.

Claim 2

Dependent Claim 80 words

An emergency locator signal light system comprising: a signal light device; and electronic circuitry responsive to dialing signals on a telephone line and having at least a monitor mode and a command mode, said electronic circuitry when in the monitor mode being responsive to the dialing of a predetermined telephone number to initiate the command mode, and said electronic circuitry when in the command mode being responsive to a predetermined tone dialing signal sequence to activate said signal light device.

Claim 3

Dependent Claim 38 words

The emergency locator signal light system of claim 1, wherein said electronic circuitry when in the command mode is responsive to a predetermined tone dialing signal sequence beginning with a tone dialing signal corresponding to a non-numerical character.

Claim 4

Dependent Claim 17 words

The emergency locator signal light system of claim 2, wherein the non-numerical character is the "*" character.

Claim 5

Dependent Claim 30 words

The emergency locator signal light system of claim 1, wherein said electronic circuitry when in the monitor mode is responsive to the dialing of "911" to initiate the command mode.

Claim 6

Dependent Claim 55 words

The emergency locator signal light system of claim 1, wherein said electronic circuitry is responsive to the predetermined tone dialing signal sequence being generated either by local telephone equipment connected to the telephone line locally with reference to said system, or by remote telephone equipment connected to the telephone line through central office switching equipment.

Claim 7

Dependent Claim 30 words

The emergency locator signal light system of claim 5, wherein said electronic circuitry is responsive to the predetermined tone dialing signal generated by remote telephone equipment comprising emergency operator equipment.

Claim 8

Dependent Claim 57 words

The emergency locator signal light system of claim 1, wherein said electronic circuitry includes a signal tone generator connected to the telephone line to signal the presence of said system, and wherein said electronic circuitry when in the monitor mode is responsive to the dialing of the predetermined telephone number to also activate said signal tone generator.

Claim 9

Dependent Claim 38 words

The emergency locator signal light system of claim 7, wherein said electronic circuitry when in the command mode is responsive to the predetermined tone dialing signal sequence to also change an audible characteristic of said signal tone generator.

Claim 10

Dependent Claim 69 words

The emergency locator signal light system of claim 1, wherein: said signal light device is capable of emitting at least two distinct light signals; and wherein said electronic circuitry when in the command mode is selectively responsive to at least two different tone dialing signal sequences corresponding respectively to the at least two distinct light signals to selectively activate said signal light source to emit a corresponding light signal.

Claim 11

Dependent Claim 58 words

The emergency locator signal light system of claim 9, wherein said electronic circuitry is responsive to the predetermined tone dialing signal sequence being generated by remote telephone equipment comprising emergency operator equipment connected to the telephone line through central office switching equipment, whereby an emergency operator can selectively initiate one of said at least two distinct light signals.

Claim 12

Dependent Claim 84 words

The emergency locator signal light system of claim 9, wherein said signal light device is capable of selectably emitting: a light signal comprising blue and white lights flashing alternately in response to a tone dialing sequence representing a Police Alert command; a light signal comprising red and white lights flashing alternately in response to a tone dialing sequence representing a Medical Alert command; and a light signal comprising a flashing white light in response to a tone dialing sequence representing a Fire Alert command.

Claim 13

Dependent Claim 75 words

The emergency locator signal light system of claim 9, wherein said signal light device comprises six flash lamps extending generally in a row, the two end flash lamps comprising an end operational pair, the two flash lamps adjacent the end flash lamps comprising an intermediate operational pair, and the center two flash lamps comprising a center operational pair, two of said operational pairs of flash lamps having colored lenses to distinguish between the operational pairs.

Claim 14

Dependent Claim 101 words

The emergency locator signal light system of claim 12, wherein said flash lamps extend generally in a horizontal row and wherein said signal light device comprises a housing having a translucent outer lens which projects farther out over said center operational pair of flash lamps than over said intermediate operational pair of flash lamps, and farther out over said intermediate operational pair of flash lamps than over said one operational pair of flash lamps, such that illumination from said flash lamps is visible both from in front of said signal light device and from the sides of said signal light device.

Claim 15

Dependent Claim 164 words

An emergency response system comprising, in combination: a publicly accessible switched telephone system; emergency operator telephone equipment at a center connected for receiving emergency telephone calls through said switched telephone system; and a plurality of individual telephone subscriber systems at various subscriber locations, each of said subscriber systems including: a local telephone line connected to said publicly accessible switched telephone system, local telephone equipment connected to the local telephone line for placing telephone calls, and an emergency locator signal light system including a signal light device, and electronic circuitry responsive to dialing signals on the local telephone line and having at least a monitor mode and a command mode, said electronic circuitry when in the monitor mode being responsive to the dialing by said local telephone equipment of a predetermined telephone number for the center to initiate the command mode, and said electronic circuitry when in the command mode being responsive to a predetermined tone dialing signal sequence to activate said signal light device.

Claim 16

Dependent Claim 164 words

An emergency response system comprising, in combination: a publicly accessible switched telephone system; emergency operator telephone equipment at a center connected for receiving emergency telephone calls through said switched telephone system; and a plurality of individual telephone subscriber systems at various subscriber locations, each of said subscriber systems including: a local telephone line connected to said publicly accessible switched telephone system, local telephone equipment connected to the local telephone line for placing telephone calls, and an emergency locator signal light system including a signal light device, and electronic circuitry responsive to dialing signals on the local telephone line and having at least a monitor mode and a command mode, said electronic circuitry when in the monitor mode being responsive to the dialing by said local telephone equipment of a predetermined telephone number for the center to initiate the command mode, and said electronic circuitry when in the command mode being responsive to a predetermined tone dialing signal sequence to activate said signal light device.

Claim 17

Dependent Claim 38 words

The emergency response system of claim 14, wherein said emergency operator telephone equipment includes a display system programmed to alert an emergency operator that a particular telephone subscriber system is equipped with an emergency locator signal light system.

Claim 18

Dependent Claim 65 words

The emergency response system of claim 14, wherein at each of the subscriber locations said electronic circuitry includes a signal tone generator connected to the telephone line to signal the presence of said emergency locator signal light system, and wherein said electronic circuitry when in the monitor mode is responsive to the dialing of the predetermined telephone number to also activate said signal tone generator.

Claim 19

Dependent Claim 73 words

The emergency response system of claim 14, wherein at each of the subscriber locations: said signal light device is capable of emitting at least two distinct light signals; and wherein said electronic circuitry when in the command mode is selectively responsive to at least two different tone dialing signal sequences corresponding respectively to the at least two distinct light signals to selectively activate said signal light source to emit a corresponding light signal.

Claim 20

Dependent Claim 63 words

The emergency response system of claim 17, wherein at each of the subscriber locations said electronic circuitry is responsive to the predetermined tone dialing signal sequence being generated by remote telephone equipment comprising emergency operator equipment connected to the local telephone line through central office switching equipment, whereby an emergency operator can selectively initiate one of said at least two distinct light signals.

Claim 21

Dependent Claim 100 words

An emergency locator signal light system comprising: a signal light device capable of emitting at least two distinct light signals; and electronic circuitry responsive to dialing signals on a telephone line and having at least a monitor mode and a command mode, said electronic circuitry when in the monitor mode being responsive to the dialing of a predetermined telephone number to initiate the command mode, and said electronic circuitry when in the command mode being responsive to at least one predetermined tone dialing signal sequence to select a particular one of the distinct light signals of the signal light device.

Claim 22

Dependent Claim 100 words

An emergency locator signal light system comprising: a signal light device capable of emitting at least two distinct light signals; and electronic circuitry responsive to dialing signals on a telephone line and having at least a monitor mode and a command mode, said electronic circuitry when in the monitor mode being responsive to the dialing of a predetermined telephone number to initiate the command mode, and said electronic circuitry when in the command mode being responsive to at least one predetermined tone dialing signal sequence to select a particular one of the distinct light signals of the signal light device.

Claim 23

Dependent Claim 36 words

The emergency locator signal light system of claim 19, wherein one of the distinct light signals serves as a warning to exercise caution, and another of the distinct light signals indicates that assistance would be useful.

Claim 24

Dependent Claim 42 words

The emergency locator signal light system of claim 19, wherein said electronic circuitry is responsive to the predetermined tone dialing signal sequence being generated by remote telephone equipment comprising emergency operator equipment connected to the telephone line through central office switching equipment.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2000-04-14	2000-10-14	2001-04-15	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2004-04-14	2004-10-14	2005-04-15	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2008-04-14	2008-10-14	2009-04-15	$7700.00	Window Closed / Lapsed

Tone dialing activated emergency locator signal light system

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