Lock system
First Claim
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1. A lock system comprising:
- a lock that includes a lock module configured to control a lock mechanism, the lock module comprising;
a first waveguide that includes a plurality of first optical paths;
a source that is configured to transmit optical signals through the first optical paths of the first waveguide to a key, wherein the key comprises a key module that includes a second waveguide, and wherein the second waveguide includes a plurality of second optical paths;
a detector configured to detect encoded optical signals returned from the key and transmitted through at least some of the plurality of second optical paths and at least some of the plurality of first optical paths; and
a control module, wherein the control module is configured to read the encoded optical signals detected by the detector and to determine whether the key is valid, wherein the control module is also configured to actuate the lock mechanism when the key is determined to be valid;
wherein at least some of the second optical paths each include a reflective element configured to return the optical signals back to the lock module and wherein at least some of the second optical paths are blocked such that optical signals in the blocked optical paths are not returned to the lock module.
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Abstract
Techniques are generally described for a lock system. An example lock system includes a lock with a lock module that controls a lock mechanism. The lock is configured to transmit optical signals to a key. The key reflects the optical signals back to the lock. The key is configured to encode the optical signals with a combination. The lock module is configured to determine whether the combination is valid. The lock module actuates the locking mechanism when the key is determined to be valid.
17 Citations
20 Claims
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1. A lock system comprising:
a lock that includes a lock module configured to control a lock mechanism, the lock module comprising; a first waveguide that includes a plurality of first optical paths; a source that is configured to transmit optical signals through the first optical paths of the first waveguide to a key, wherein the key comprises a key module that includes a second waveguide, and wherein the second waveguide includes a plurality of second optical paths; a detector configured to detect encoded optical signals returned from the key and transmitted through at least some of the plurality of second optical paths and at least some of the plurality of first optical paths; and a control module, wherein the control module is configured to read the encoded optical signals detected by the detector and to determine whether the key is valid, wherein the control module is also configured to actuate the lock mechanism when the key is determined to be valid; wherein at least some of the second optical paths each include a reflective element configured to return the optical signals back to the lock module and wherein at least some of the second optical paths are blocked such that optical signals in the blocked optical paths are not returned to the lock module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A lock system comprising:
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a lock paired with a key; the lock including; a first waveguide; a source positioned to emit optical signals toward the key through the first waveguide when the key is engaged with the lock, wherein the source includes a plurality of emitters and each of the plurality of emitters is arranged to emit an optical signal into a corresponding first optical path included in the first waveguide; a detector arranged to receive encoded optical signals returned from the key, wherein the key encodes the optical signals emitted by the source with a combination, wherein the detector includes a plurality of photodetectors; and a control module coupled to a lock drive component that is configured to selectively engage or disengage a locking mechanism, wherein the control module is configured to generate an instruction to actuate the locking mechanism when the control module determines that the combination is valid for the lock; and the key including; a second waveguide, wherein the optical signals emitted by the source are coupled to the second waveguide from the first waveguide, wherein the second waveguide is configured to reflect at least a portion of the optical signals back towards the detector through the second waveguide and the first waveguide; wherein the second waveguide includes a plurality of optical paths and wherein at least one of the plurality of optical paths is configured to suppress reflection of a corresponding optical signal in the at least one of the plurality of optical paths; and wherein at least some of the plurality of optical paths each include a mirror positioned within the corresponding optical path, wherein the mirrors are configured to reflect the optical signals emitted from the source back through the second waveguide and the first waveguide to the detector. - View Dependent Claims (12, 13, 14, 15)
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16. A method of actuating a lock mechanism in a lock system, the method comprising:
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emitting optical signals from a plurality of emitters included in a lock module into a plurality of waveguides, one or more of the plurality of waveguides including a reflective element positioned therein and one or more of the plurality of waveguides including a feature configured to substantially prevent one or more of the optical signals from being reflected; receiving reflected optical signals at a plurality of detectors, wherein the reflected optical signals include a combination; determining that a key is valid in response to verification of the combination; and actuating the lock mechanism in response to determining that the key is valid. - View Dependent Claims (17, 18, 19, 20)
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Specification