Bizarre Patents
Hands free towel carrying system
A hands free towel carrying system for coupling a towel to a user to prevent loss, theft or contamination.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5182655 | Facsimile apparatus having a rechargeable battery A facsimile apparatus capable of informing an operator of data such as operable time of the facsimile apparatus, the number of documents transmittable and receivable based on the quantity of electric charges remaining in the battery comprises a clock for ... | 01/26/1993 |
| 5182546 | Electronic apparatus which can discriminate between different power sources which it uses An electronic apparatus capable of using power sources of different kinds each having a different characteristic is provided with an apparatus for controlling the operating mode of the electronic apparatus on the basis of the discrimination result provide... | 01/26/1993 |
| 5162741 | Temperature compensated lithium battery energy monitor A system is provided for temperature compensating and monitoring the energy f a lithium battery. In this method, a temperature compensation factor is determined according to a value of temperature. A determination is made of the energy usage while the batt... | 11/10/1992 |
| 5159272 | Monitoring device for electric storage battery and configuration therefor An electric storage battery is provided having a monitoring device for indicating the state-of-charge of the battery and particularly indicating whether a discharged battery is healthy and capable of being recharged or unhealthy and impending on a state o... | 10/27/1992 |
| 5150415 | Volume control circuit using pulse modulation A volume control circuit for an audio transducer comprises a driver circuit driven by a first pulse rate signal to excite the audio transducer and render an audio signal at a desired volume and audio frequency corresponding to the first pulse rate signal,... | 09/22/1992 |
| 5140310 | Interrupting low battery indicator An electrical device has a display and a battery which has a varying electrical condition. The display typically displays information to be read by the user of the device. In response to a low battery detection, the information being displayed may be inte... | 08/18/1992 |
| 5136279 | Battery disconnection and abnormal output warning device for triggering engine speed reduction An ignition device for a marine propulsion unit that provides a warning signal in the event of an abnormal engine running condition. The warning system is powered by a pair of alternately charged batteries and the warning signal is also activated in the e... | 08/04/1992 |
| 5095308 | Transceiver with battery saver and method of using same A portable transceiver has a battery saving feature which includes a timer, circuit which automatically cuts off the power supply to the receiver and transmitter for relatively long intervals and periodically turns on the power supply for relatively short... | 03/10/1992 |
| 5093650 | Portable alarm device A portable alarm device for monitoring areas against burglary includes an alarm and a power supply connected to the alarm by an alarm circuit. A reception sensor is connected to a variable preamplifier for varying volumes of the alarm signal in accordance... | 03/03/1992 |
| 5089807 | Anti-theft device An anti-theft device comprises a circuit which control a relay. The house power is connected to the circuit which energizes the relay. When the relay is energized, the contacts in the relay remain open. A battery and an alarm horn are connected in series ... | 02/18/1992 |
| 5065083 | Microprocessor controlled electronic stimulating device having a battery management system and method therefor A device and method are disclosed for effecting battery management in a battery powered electronic stimulating device, with the stimulating device particularly illustrated being a transcutaneous nerve stimulating (TENS) device for effecting suppression of... | 11/12/1991 |
| 5065141 | Expanded register rack for a programmable logic controller An expanded register rack assembly is for a processor based device. The expanded register rack assembly has a first board register rack assembly having multiple slots for receiving multiple electronic modules including a programmable controller module. Th... | 11/12/1991 |
| 5063304 | Integrated circuit with improved on-chip power supply control An on-chip power supply regulation system for a VLSI circuit such as a dynamic RAM is disclosed. The system includes a high power supply voltage detection circuit and a power supply clamp circuit, where a clamped voltage generated by the clamp circuit bia... | 11/05/1991 |
| 4977393 | Method and apparatus for monitoring the condition of charge of a battery connected to an appliance and including counters counted with respect to the time and drain of the battery A method and apparatus for monitoring the state or condition of charge of a battery which supplies a plurality of electrical consumption devices in an electronic circuit. A consumption device is operatively connected to a series of counters so that the co... | 12/11/1990 |
| 4967188 | Method for detecting low battery voltage in portable scanning systems A method for detecting low battery voltage in a hand-held scanner capable of reading the likes of a bar code measures the speed of the motor driving the scanning element and compares it to stored values. The stored values represent motor speeds directly c... | 10/30/1990 |
| 4938712 | Jumper cables A pair of improved jumper cables one end of which automatically lights when the other is arbitrarily connected to a source battery and also automatically indicates the polarity of the source battery by means of light emitting diodes. Also when a pair of p... | 07/03/1990 |
| 4906055 | Voltage level judging device A device for determining whether a source voltage from a power source to be applied to a load such as an electrical apparatus is below a standard level but above a specified level or below this specified level includes a voltage divider circuit for dividi... | 03/06/1990 |
| 4876532 | Vending rack burglar alarm A vending machine is disclosed which is protected from theft or pilferage through an alarm device contained within the vending machine. The alarm device is mounted within the vending machine and sounds an alarm when the vending machine is moved or tilted ... | 10/24/1989 |
| 4866389 | Circuit and method for measuring battery voltage by time of discharge of a capacitor A voltage measurement circuit is provided which can be used in a single supply situation, which has a measurement range from rail to rail and which uses a reference voltage which can lie anywhere between the rails but not at the rail to which measurements... | 09/12/1989 |
| 4866428 | Remote battery cell specific gravity and electrolytic level monitor using floats and optical couplers A system and sensor for remotely monitoring the state of the condition of the electrolyte within each of the battery cells of a power supply is disclosed. The system includes a sensor having a dual ball-float and track arrangement for shuttering a pair of... | 09/12/1989 |
| 4853676 | Security device A security device for credit cards, charge cards, cash cards and the like has a base, an integrally molded top partially extending along the length of the base and a lid pivotally secured to one end of the base. A key pad is recessed into the top. The lid... | 08/01/1989 |
| 4852600 | Air actuated valve system with seismic controller An air actuated valve system for shutting off fluid flow in a fluid conduit includes a seismic valve disposed in a seismic air circuit which is coupled to a primary air circuit. The primary air circuit delivers air at a high pressure to an air driven actu... | 08/01/1989 |
| 4840583 | Automatic jumper cables An improved jumper cable organization is presented wherein illuminated indication is included to discourage improper connection of the improved jumper cable apparatus to associated batteries. A first embodiment of the invention includes a clamp securable ... | 06/20/1989 |
| 4837779 | Communicator and communication method and system A communication method and system for determining the transmission speed of a communicating remote unit with respect to a host communicator. The communication method uses a start of message header containing a known number of timing intervals, called tick... | 06/06/1989 |
| 4833390 | Charge completion detector A charge completion detector comprises a thermoelectric detecting element outputting a thermally generated electromotive force in correspondence with the rise of temperature incidental to the completion of charging a secondary cell, and detecting means el... | 05/23/1989 |
| 4803416 | Storage battery control device A control device for a storage battery consists of a charge regulating loop including a circuit for supplying clock pulses having a variable frequency proportional to a battery charge and discharge current, a circuit for estimating an instantaneous capaci... | 02/07/1989 |
| 4796015 | Combination electric clock and smoke detector A compact combination clock and smoke alarm is provided in which cessation of clock operation indicates inoperativeness of the smoke alarm and in which the smoke alarm structure is concealed from view by the clockface. The preferred assembly includes a ho... | 01/03/1989 |
| 4792798 | Remote control system for pull-cords A remote control for pull-cord stations in hospitals, convalescent homes, and multi-unit housing for the elderly consists of a portable transmitter and an activator unit. The small, battery-powered radio transmitter is worn on a necklace. The compact acti... | 12/20/1988 |
| 4758772 | Discharge indicating means for a storage battery The invention is directed to a discharge indicating means for a storage battery (B) in which a choke (L) and a first transistor (T1) are connected to the storage battery via a switching device (S). The base of a second transistor (T2) arranged between the... | 07/19/1988 |
| 4755816 | Battery saving method for a selective call radio paging receiver In a battery powered radio paging receiver, a battery saving method extends battery life and prevents the loss of messages stored in volatile random access memory. Upon receipt of a message, a plurality of alerting devices (vibrators, LCD back-lights, LED... | 07/05/1988 |
| 4749198 | Trackable arrow An arrow that accepts standard target or hunting tips includes a radio signalling transmitter which emits a carrier signal that is receivable by a directional receiver for tracking and locating the arrow when released from a bow. The transmitter includes ... | 06/07/1988 |
| 4667141 | Coin or token operated portable car starter A hand truck type of device provides a portable jumper battery for motor vehicles. Battery cables which connector clips are stored in the truck as is a power cable for connection to a power outlet so that the jumper battery may be recharged by a charger c... | 05/19/1987 |
| 4638237 | Battery condition indicator A battery condition indicator provides an indication of both the charge used and the life remaining in a rechargeable battery. The time of use of the battery between charges is measured to provide an indirect measure of the charge remaining. The total tim... | 01/20/1987 |
| 4633235 | Optical cable security system with standby and automatic re-arming features A system for securing articles is disclosed including an optically transmissive, flexible cable capable of attachment to the articles and further consisting of links and separable connectors, the connectors joining the links together to permit optical tra... | 12/30/1986 |
| 4633239 | Integrated circuit package holder An integrated circuit package holder comprises a recess for a receipt of a removable spare power source such as two miniature cells to be interconnected between two pins of the holder into which two package supply pins are plugged. The holder can further ... | 12/30/1986 |
| 4625174 | Battery and bulb tester An apparatus for testing a battery comprises a casing having an open cavity and electric contacts fixedly mounted in the cavity. An electric mechanism is housed in the casing for measuring battery voltage and indicating the voltage value measured. The bat... | 11/25/1986 |
| 4622544 | Low battery indicator An emergency response system in which the low battery condition of a wireless help unit is automatically detected and indicated at a receiver. The help unit provides, as part of the transmitted signal, a signal indication of battery condition. The receive... | 11/11/1986 |
| 4608714 | Low battery detector for a machine system using infrared telemetry A data communication system for machine performing operations on a workpiece is disclosed. A battery operated transmitter supplies power to electrical components adapted to transmit a plurality of different infrared signals to a remote receiver. The remot... | 08/26/1986 |
| 4607246 | Malfunction indicating method for vehicle-mounted DC generator Various malfunctions of a DC generator equipped with a voltage regulator and malfunction indicator are indicated distinguishably by detecting terminal voltages of a field winding and an armature winding of the DC generator and supplying a signal to the ma... | 08/19/1986 |
| 4578671 | Remote indicating low battery voltage enunciator method and apparatus A low battery voltage indicator is for use with remote control keyboards which are not linked by a cable to a power supply. Such keyboards contain their own power and are widely used. Remote keyboards that are infra red linked to personal computers are wi... | 03/25/1986 |
