Apparatus and method to transmit a speakerphone active indication signal to another party over a telephone line upon use of a speakerphone feature, and to transmit a speakerphone inactive indication signal upon cessation of the speakerphone feature. A speakerphone indication transmit module provides an audible or data signal relating to the activation or inactivation of a speakerphone feature to a receiving party's telephone system, which either audibly confirms use of the speakerphone at the op...

The present disclosure relates to a restriction indicator for an air cleaner system of an internal combustion engine. The restriction indicator includes a housing divided into first and second chambers by a diaphragm. A signal member is connected to the diaphragm. The signal member is moveable along an axis between a reset position and a first indicator position, and defines an axial opening within which a first retaining shoulder is located. A guide member is provided for guiding the signal mem...

A terminator for an ULTRA-2-SCSI bus has an indicator to indicate an operating mode of the bus, a connector, a terminating unit connecting data lines of the ULTRA-2-SCSI bus to terminating resistors through the connector, a mode detector detecting an operating mode of the bus according to a voltage in a differential voltage detecting line of the bus, LEDs (212, 213) and LED drivers (215, 216) driving the LED's according to the output of the mode detector. These elements are arranged in a casing ...

A fluid level sensor that is particularly useful in fluid fuel tanks of motor vehicles wherein a resistor network is arranged on a fixed support and it is possible to generate an output signal from the resistor network which corresponds to the position of a float member. The level sensor has particularly low wear and is inexpensive to produce with a contact structure for the resistor network that operates through interaction of a magnetic member is moved by the float and can be deflected such th...

An indicator module, suitable for a vehicle, has a holder engaging over an indicator element for fastening the indicator element to a carrier board such as a printed circuit board. The holder is connected by one leg to the carrier board by a catching of the leg into a recess of the carrier board. The recess of the carrier board has a projecting tongue, and the leg of the holder has a recess engaging over the tongue to accomplish a simplified mounting which retains the indicator element upon the ...

A mailbox indicator for signaling a person that he has mail in his mailbox having a signal flag pivotally affixed to a mailbox at one side. A string mechanism works in conjunction with the mail box door and indicating flag to automatically open and raise the indicating flag when the door is opened.

An overload indicator apparatus (10) is provided for use in connection with a force generator (12). The force generator is used to apply a force to a load (14), and the overload indicator will indicate if the applied force is greater than a predetermined amount. The overload indicator includes a first support member (16), a second support member (18), and a tensile member (20). The first support member can be connected to the force generator, and the second support member can be connected to the...

A fast-response colorimetric carbon dioxide indicator device which is substantially insensitive to humidity and comprises a chemically inert substrate and an indicator composition supported by the substrate and responsive to exposure to carbon dioxide in expired respiratory air to undergo a color changing reaction. The indicator composition includes a pH sensitive dye and a basic substance having the general formula ##STR1## in which X is a nitrogen or phosphorus atom, each of R.sub.1, R.sub.2, ...

A gear indicator provides a display to a motorcycle driver of which gear the motorcycle is currently operating in. The gear indicator is used with a gear position switch providing ground signal indication to a motorcycle CPU at a connection with a plurality of leads which reflect the gear a motorcycle is operating in, no indication indicating that the motorcycle is in first gear. The gear indicator bridges the gear position switch to the motorcycle CPU receiving this ground information through a...

An airflow indicator for a vacuum cleaner includes a housing, a wheel chamber defined in the housing, and a rotatable wheel mounted in the wheel chamber. The wheel has protrusions which cause the wheel to rotate due to inlet air flow. The wheel further has markings which gradually increase in size along an outside perimeter of the wheel. The markings indicate movement of the wheel. An air inlet is formed adjacent a first end of the housing. An air passageway is formed within the housing adjacent...