Electrical/optical interface coupler
First Claim
Patent Images
1. A removable coupler inter-connectable between an electrical interface of an analog signal generating device and an optical interface of an optical signal receiving device and comprising:
- an elongated flexible cable having electrical and optical ends and including an electrical conductor housed therein and leading from said electrical end;
an electrical connector attached to said cable at said electrical end for being releasably connected to said analog signal generating device;
an optical interface housing attached to said cable at said optical end, said housing including a releasable connector for releasably connecting said housing to said optical signal receiving device, and a circuit for receiving an analog signal generated from said analog signal generating device and converting said analog signal to a digital signal; and
an optical emitter mounted in said optical interface housing and electrically connected to said circuit and responsive to said digital signal from said circuit to generate a corresponding optical signal for transmission to said optical signal receiving device.
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Abstract
A removable coupler including first and second ends, the first end connected to an electrical connector and the second end attached to an optical connector. The optical connector includes a housing containing electronics therein to convert electrical signals to signals which are transmitted optically. The housing may also or alternatively include electronics therein to convert signals received optically to electrical signals.
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Citations
24 Claims
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1. A removable coupler inter-connectable between an electrical interface of an analog signal generating device and an optical interface of an optical signal receiving device and comprising:
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an elongated flexible cable having electrical and optical ends and including an electrical conductor housed therein and leading from said electrical end; an electrical connector attached to said cable at said electrical end for being releasably connected to said analog signal generating device; an optical interface housing attached to said cable at said optical end, said housing including a releasable connector for releasably connecting said housing to said optical signal receiving device, and a circuit for receiving an analog signal generated from said analog signal generating device and converting said analog signal to a digital signal; and an optical emitter mounted in said optical interface housing and electrically connected to said circuit and responsive to said digital signal from said circuit to generate a corresponding optical signal for transmission to said optical signal receiving device. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. Electrical/optical converter cable apparatus for removably coupling between an electrical outlet of an electrical analyzer device generating an electrical signal and a portable data collector housed in an intrinsically safe housing formed with an optical interface having a predetermined configuration and including an optical sensor behind an optical window, said apparatus comprising:
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an elongated, intrinsically safe flexible cable having first and second ends and including an electrical conductor housed therein and leading from said first end; an electrical connector attached to said first end for connection to said electrical outlet; a converter device carried from said second end and including a housing formed with an optical connector having an optically transparent window configured to complementarily mate with said optical interface and including an optical emitter electrically connected to said electrical connector and positioned to, when said converter device is mated with said optical interface, align in signal transmitting relation with said optical sensor; and a releasable mechanical coupler for releasably coupling said converter device to said data collector with said transparent window complementarily mated with said optical interface whereby said electrical connector may be connected with said electrical outlet and said converter device coupled to said data collector without invading said intrinsically safe housing to thereby establish an intrinsically safe coupling between said analyzer device and data collector to provide for communication therebetween. - View Dependent Claims (9, 10, 11)
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12. A removable coupler inter-connectable between an electrical interface of an electrical signal transmitting device and an optical interface of an optical signal receiving and transmitting device including a first optical emitter and receiver, said apparatus comprising:
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an elongated flexible cable having electrical and optical ends and including an electrical conductor housed therein and electrically connected to said electrical and optical ends; an electrical connector attached to said cable at said electrical end for releasable connection to said electrical signal transmitting device for transmission of electrical signals generated by said electrical transmitting device along said conductor; an optical interface housing attached to said cable at said optical end, said housing including a releasable connector for releasably connecting said housing to said optical signal receiving and transmitting device; a second optical emitter mounted in said optical interface housing and disposed at a predetermined position therein to, when said optical interface housing is connected to said optical signal receiving and transmitting device, align with said first optical receiver; a second optical receiver mounted in said optical interface housing and disposed at a predetermined position therein to, when said optical interface housing is connected to said optical signal receiving and transmitting device, align with said first optical emitter for receipt of an optical signal from said first optical emitter to generate a corresponding electrical prompt signal; and an electrical circuit electrically connected to said second optical receiver, said second optical emitter, and to said conductor and responsive to said electrical prompt signal to transmit said electrical signals generated by said electrical signal generating device to said second optical emitter. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A removable coupler and sensor assembly inter-connectable between an electrical interface and a sensor interface of an electrical signal transmitting device and an optical interface of an optical signal receiving device including an optical receiver, said apparatus comprising:
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an elongated flexible cable having electrical and optical ends and including an electrical conductor housed therein and electrically connected to said electrical end; an elongated sensor conduit connected to said cable and including a first end for releasable connection to said sensor interface and a free second end including a sensor for sensing a predetermined condition adjacent said sensor and for transmitting said condition through said conduit to said sensor interface of said electrical signal transmitting device; an electrical connector attached to said cable at said electrical end for releasable connection to said electrical interface of said electrical signal transmitting device; an optical interface housing attached to said cable at said optical end, said housing including a releasable connector for releasably connecting said housing to said optical interface; and an optical emitter mounted in said optical interface housing, electrically connected to said electrical conductor and disposed at a predetermined position therein to, when said optical interface housing is connected to said optical signal receiving device, align with said optical receiver, said emitter being responsive to electrical signals conducted along said electrical conductor to generate corresponding optical signals for transmission to said optical receiver. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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Specification