# US 7,412,308 B2 · Dynamic VSI display

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- Number: US 7,412,308 B2
- Document ID: US7412308B2
- Status: Granted
- Kind: B2
- Application number: 10/679,975
- Filed: 2003-10-07
- Published: 2005-04-07
- Granted: 2008-08-12
- Earliest claimed: 2003-10-07
- Assignees: Universal Avionics Systems Corporation
- Inventors: Ted Naimer; Sam Hyatt; Jim Brannen; Tom Lawrence
- Web page: https://patentgrep.com/patent/US7412308B2

## CPC

- G01C 23/00: Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
- G01D 7/002: {giving both analog and numerical indication}
- G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S)
- G01D: MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR

## Abstract

A graphical display of a dynamic vertical speed indicator (VSI).

## Claims

### Claim 1

An electronic display for presenting data from a vertical speed source aboard an aircraft, wherein said display comprises:
an arcuate vertical speed indicator scale;
a vertical speed indicator marker;
wherein said arcuate vertical speed indicator scale has non-linear graduations marked thereon in the vicinity of said vertical speed indicator marker; and
TCAS resolution advisory indicators along a periphery of said vertical speed indicator scale wherein said TCAS resolution advisory indicators are shown during a TCAS resolution advisory condition, wherein said TCAS resolution advisory condition triggers enlargement of only a fractional section of the arcuate vertical speed indicator scale, and wherein an attribute of said vertical speed indicator marker changes to match an attribute of said TCAS resolution advisory indicators during the advisory condition.

### Claim 2 (depends on 1)

The display according to claim 1 wherein the attribute of said vertical speed indicator marker is a color.

### Claim 3 (depends on 1)

The display of claim 1 wherein said fractional section of a vertical speed indicator scale shown by said electronic display changes in shape in response to changes in the vertical speed depicted by said vertical speed indicator marker.

### Claim 4

An electronic display for presenting data from a vertical speed source aboard an aircraft, wherein said display comprises:
a curved vertical speed indicator scale;
a vertical speed indicator marker comprising a pointer and a digital numeric display, showing a vertical speed of the aircraft as indicated by the vertical speed source, wherein said vertical speed indicator scale shows non-linear graduations marked thereon in the vicinity of said vertical speed indicator marker, wherein said vertical speed indicator scale shown by said electronic display changes shape in response to changes in the vertical speed depicted by said vertical speed indicator marker; and
TCAS resolution advisory indicators along a periphery of said vertical speed indicator scale shown during a TCAS resolution advisory condition wherein said TCAS resolution advisory condition triggers an increase in size of said electronic display and changes an attribute of the vertical speed indicator marker to visually correspond to an attribute of the TCAS resolution advisory indicators during the advisory condition.

### Claim 5 (depends on 4)

The display of claim 4 wherein the attribute of the vertical speed indicator marker is a color.

### Claim 6 (depends on 4)

The display of claim 4 wherein said TCAS resolution advisory condition triggers enlargement of only a fractional section of the vertical speed indicator scale.

### Claim 7

An electronic display for presenting data from a vertical speed source aboard an aircraft, wherein said display comprises:
a curved vertical speed indicator scale;
a vertical speed indicator marker comprising a pointer and a digital numeric display, showing a vertical speed of the aircraft as indicated by the vertical speed source, wherein said curved vertical speed indicator scale shows non-linear graduations marked thereon in the vicinity of said vertical speed indicator marker, wherein said curved vertical speed indicator scale shown by said electronic display changes shape in response to changes in the vertical speed depicted by said vertical speed indicator marker; and
TCAS resolution advisory indicators along a periphery of said vertical speed indicator scale that are shown during a TCAS resolution advisory condition.

### Claim 8 (depends on 7)

The display of claim 7 wherein the TCAS resolution advisory condition triggers enlargement of only a fractional section of the curved vertical speed indicator scale.

### Claim 9 (depends on 7)

The display of claim 7 wherein the TCAS resolution advisory condition triggers a change of a first attribute of the vertical speed indicator marker to visually correspond to a second attribute of the TCAS resolution advisory indicators during the advisory condition.

### Claim 10 (depends on 9)

The display according to claim 9 wherein the first attribute and the second attribute are color.

### Claim 11 (depends on 7)

The display of claim 7 wherein the TCAS resolution advisory condition triggers enlargement of only a fractional section of an curved vertical speed indicator scale; and wherein an attribute of said vertical speed indicator marker changes to match an attribute of said TCAS resolution advisory indicators during the advisory condition.